Skip to content
What's After the Movie?
Plot summary & ending explained

Thunder Force (2021) Plot Summary, Ending Explained & Timeline

Thunder Force (2021) movie poster

Thunder Force is a 2021 action and comedy film directed by Ben Falcone, running 1 hour 45 minutes. This page retells the whole story in 726 words (about 3 minutes to read) and covers 15 key events in order, 6 characters, where and when it is set, 3 themes and the ending explained. Looking for the cast, ratings and where to stream it? See the movie page for Thunder Force.

to read the plot summary
3 min
key events in the timeline
15
characters profiled
6
themes explained
3
Loading streaming availability…
Thunder Force (2021) movie poster
Released
Runtime
1h 45m
Director
Ben Falcone
Genres
Action, Comedy
Original language
English
Studio
Netflix
No spoilers

What Is Thunder Force About?

The premise of Thunder Force in 261 words, with nothing given away. The full story and the ending follow below.

In a city still trembling from a strange cosmic event that turned ordinary people into dangerous Miscreants, two childhood friends find themselves called back into each other’s lives by a chance that feels almost fated. Lydia left the chaos behind for a steady, hands‑on existence, while Emily devoted herself to science, hoping one day to level the playing field. Their reunion is sparked by a mysterious serum that promises extraordinary abilities, thrusting them into a partnership no one expected and a world that suddenly feels both larger and more perilous.

The film balances high‑octane action with a sharp, self‑aware sense of humor, letting the audience savor the clash between Lydia’s fearless, improvisational spirit and Emily’s methodical, genius‑level intellect. Their contrasting personalities create a dynamic that feels both genuinely heartfelt and wildly comedic, as each learns to rely on the other’s strengths while navigating the awkwardness of rekindled friendship after years apart. The tone walks a line between blockbuster spectacle and buddy‑comedy, offering quick‑witted banter amid the backdrop of a city besieged by super‑powered threats.

Against this vibrant, slightly chaotic setting, the duo adopts the moniker Thunder Force, embodying the hope that ordinary citizens can become protectors when given a chance. The story hints at deeper personal stakes—family, lost time, and the burden of responsibility—without spelling them out, leaving room for curiosity about how these elements will shape their new crusade. As they step into their roles, the city’s pulse quickens, suggesting that the partnership of brains and brawn might just be the spark the metropolis needs to confront its looming danger.

Full plot

What Happens in Thunder Force?

The complete story of Thunder Force, from the first scene to the last, in 726 words (about 3 minutes). Spoilers throughout. Names in the text link to 6 cast member pages.

Spoilers ahead

In March 1983, a cataclysmic event bombarded Earth with cosmic rays, granting superpowers to sociopaths and creating a wave of super-villains known as the Miscreants. Ordinary citizens found themselves gripped by fear, living their lives under the looming threat of these powerful foes. After a Miscreant brutally murders her parents, renowned geneticists, young Emily Stanton (Octavia Spencer) resolves to find a way to combat these formidable adversaries.

Fast forward to 1985, Emily has sacrificed her social life for an obsessive quest to devise methods to confront the Miscreants. Despite the ensuing bullying she faces, Lydia Berman (Melissa McCarthy), with her unique brand of loyalty and carefree demeanor, rises to defend her. Lydia, though not the brightest, becomes Emily’s steadfast ally, supporting her bold vision to bestow superpowers on ordinary people while also ensuring Emily takes care of herself. However, after a mishap where Lydia encourages Emily to take a brief nap, she inadvertently causes Emily to miss an important AP exam, which places strain on their friendship and drives them apart.

By 2024, their paths have diverged drastically. Emily has blossomed into a successful scientist and heads her own research company, while Lydia has taken a more traditional route as a longshoreman. The two share concerns over the persistent threat of the Miscreants, pondering over what the other has been up to. When the high school reunion approaches, Lydia invites Emily in hopes of reconnecting. Unfortunately, Emily forgets the date and is consumed by a work project, ultimately leading to a fateful accident. In a series of events where Lydia spills beer on Emily’s equipment, she accidentally injects herself with a serum designed to grant super strength.

Ex-CIA operative Allie (Melissa Leo), who has been instrumental in establishing Emily’s lab, is there to clarify the consequences of this mishap. The serum gives Lydia superhuman strength, but the process requires rigorous training and carries the risk of extreme danger. Emily too takes part, choosing a pill form of the serum for invisibility. During the grueling thirty-three-day training, their bond deepens, though Lydia struggles with a unique dietary requirement—only eating raw meat.

As their training progresses, Lydia learns that Emily has a daughter, Tracy (Taylor Mosby), whom she had with a fellow researcher who ultimately couldn’t shoulder the responsibility of family life. They share playful moments, bonding over video games while navigating the challenges of their new abilities. The duo, now known as Thunder Force, begins their crime-fighting journey by thwarting a robbery led by a Miscreant named The Crab (Jason Bateman). In a shocking twist, The Crab finds himself captivated by Lydia, much to Emily’s discomfort.

With newfound fame, Thunder Force attracts the attention of mayoral candidate William “The King” Stevens (Bobby Cannavale), whose dubious campaign promises aim to eradicate the Miscreant threat. Unbeknownst to the public, The King secretly employs both The Crab and Laser (Pom Klementieff), a dangerous Miscreant with energy manipulation abilities. As the electoral race heats up, The King pressures Thunder Force to join his cause, leaving the city vulnerable unless he wins.

Conflict ensues when Laser ambushes the duo during a diner outing, provoking a splinter in their friendship again as Lydia’s reckless actions lead to collateral damage. In a bid to mend relations, Lydia dates The Crab to gather crucial intel. She learns of The King’s malevolent plan to detonate a bomb targeting everyone who opposed him during the election. With this vital knowledge, Lydia reconciles with Emily, laying the foundation for the showdown that follows.

In the climatic confrontation, Thunder Force faces off against The King, revealing his true nature as a Miscreant far more powerful than they anticipated. Just as The King prepares to vanquish Lydia, The Crab turns against him, catalyzing a chaotic tussle. Tracy, now empowered, joins the fray, adding critical support. Despite their combined efforts succeeding in overcoming The King, they discover that the bomb is set to detonate imminently.

In a heart-wrenching twist, Lydia decides to sacrifice herself to protect the city, leaping into the Chicago River with the bomb, surrounded by a blaze of destruction. Miraculously, first responders manage to save her, leading to a renewed alliance between the two women. Thunder Force emerges stronger than ever, with a newly fortified friendship, and accept a proposal from the mayor to gain assistance from the city’s resources as they continue their mission against the Miscreants.

Timeline

Thunder Force Timeline: Every Key Event in Order

15 key events in the order they happen, from “Cosmic Ray Cataclysm” to “Stronger Together”.

  1. 1

    Cosmic Ray Cataclysm

    In March 1983, Earth is bombarded by cosmic rays in a cataclysmic event that changes everything. These rays grant superpowers to sociopaths, resulting in a surge of super-villains known as the Miscreants who begin terrorizing ordinary citizens.

    When:March 1983

  2. 2

    Tragedy Strikes Emily

    Following the emergence of the Miscreants, a young girl named Emily Stanton experiences a personal tragedy when her parents, both renowned geneticists, are brutally murdered by one of these villains. This event marks a turning point in her life, igniting her passion to combat these powerful threats.

  3. 3

    Emily's Obsession

    By 1985, Emily has dedicated her life to finding ways to fight the Miscreants, sacrificing her social life in the process. Despite facing bullying, she gains the support of her loyal friend Lydia, who defends her and encourages her ambitions.

    When:1985

  4. 4

    Friendship Strains

    A mishap occurs when Lydia convinces Emily to take a nap, causing Emily to miss an important AP exam. This creates a rift between them, leading to misunderstandings and strain in their once-strong friendship.

  5. 5

    Diverging Paths

    By 2024, Emily has established herself as a successful scientist, running her own research company, while Lydia has settled into a more traditional life as a longshoreman. Despite their differences, both women remain concerned about the persistent danger of the Miscreants.

    When:2024

  6. 6

    Reunion Invitation

    As their high school reunion approaches, Lydia reaches out to Emily in hopes of rekindling their friendship. Unfortunately, Emily gets consumed by work and forgets about the reunion, leading to guilt and missed opportunities.

  7. 7

    The Accidental Injection

    During a fateful accident where Lydia spills beer on Emily's lab equipment, she accidentally injects herself with a serum intended to grant super strength. This unexpected turn of events thrusts them into a new reality filled with risks and challenges.

  8. 8

    Training for Power

    With the help of Allie, an ex-CIA operative, Lydia begins training to harness her new abilities while Emily chooses a pill form of the serum for invisibility. Their intense training journey lasts for thirty-three days, and during this time, their bond strengthens.

  9. 9

    The Birth of Thunder Force

    With their newfound powers, Emily and Lydia become known as Thunder Force. Their first crime-fighting mission involves thwarting a robbery orchestrated by the Miscreant known as The Crab, solidifying their status as heroes in the city.

  10. 10

    Political Intrigue

    As Thunder Force gains fame, they attract the attention of William "The King" Stevens, a mayoral candidate with dubious intentions. While he publicly promises to eliminate the Miscreant threat, he secretly works alongside villains like The Crab and Laser.

Show the other 5 events of Thunder Force
  1. 11

    Conflict and Collateral Damage

    Conflict arises when Laser ambushes Thunder Force, causing tensions to flare between Lydia and Emily once again. In an attempt to mend their friendship, Lydia dates The Crab, leading to unexpected revelations about The King's dangerous plot.

  2. 12

    The Climax of Chaos

    In a climactic showdown against The King, Thunder Force uncovers his true nature as a powerful Miscreant. Just as The King is about to defeat Lydia, The Crab unexpectedly turns against him, resulting in a wild battle that escalates the chaos.

  3. 13

    Sacrifice for the City

    In a heartbreaking moment, Lydia decides to sacrifice herself by jumping into the Chicago River with a bomb targeted at the city. This act of bravery exemplifies her growth and commitment to protecting others, despite the danger it poses.

    Where:Chicago River

  4. 14

    Renewed Alliance

    Miraculously, first responders save Lydia from the river, allowing her to reunite with Emily. This near-tragic event reinvigorates their friendship, leading them to accept the mayor's proposal for support in their ongoing fight against the Miscreants.

  5. 15

    Stronger Together

    With their friendship restored and bolstered by newfound support, Thunder Force embarks on their continued mission to safeguard the city. They are determined to face the Miscreants, armed with both their powers and the strength of their bond.

Characters

Who Are the Main Characters in Thunder Force?

6 characters, among them Lydia Berman, Emily Stanton and Allie: who each one is and the part they play in the story. Every profile links to the actor’s page.

  • Melissa McCarthy as Lydia Berman in Thunder Force

    Lydia Berman

    Played by Melissa McCarthy

    Lydia is a fiercely loyal and carefree friend who stands by Emily despite her limitations. Though not academically inclined, her heart is in the right place, leading her to support Emily's ambitious goals. As she gains superhuman strength, her character develops through challenges, showcasing resilience and a unique sense of humor, particularly when adapting to her new dietary needs.

    • 👩‍🎤 Loyalty
    • 🦸‍♀️ Strength
    • 😂 Humor
  • Octavia Spencer as Emily Stanton in Thunder Force

    Emily Stanton

    Played by Octavia Spencer

    Emily is an ambitious and determined scientist whose trauma drives her to confront the Miscreants. Her intelligence and dedication to her work often come at the expense of her personal life. As she develops her powers, Emily learns to balance her professional ambitions with the necessity of friendship and teamwork, becoming a strong, well-rounded character.

    • 🧪 Intelligence
    • 🎓 Dedication
    • 🌟 Leadership
  • Melissa Leo as Allie in Thunder Force

    Allie

    Played by Melissa Leo

    Allie is a retired CIA operative and a key figure in Emily’s lab, showcasing strength and wisdom. She guides the protagonists through their training, emphasizing the importance of preparation and caution in their newfound roles. Her experience adds depth to the team, bringing a sense of realism and practicality to their mission.

    • 🔍 Guidance
    • 🕵️‍♀️ Experience
    • 👮‍♂️ Strategy
  • Jason Bateman as The Crab in Thunder Force

    The Crab

    Played by Jason Bateman

    The Crab is a complex character who initially serves as a Miscreant antagonist but has his own narrative arc, especially in his relationship with Lydia. His turn against The King signifies personal growth and adds layers to his character beyond just villainy. This complexity is crucial in highlighting the moral ambiguities present in the film.

    • 🦀 Antagonist
    • ❤️ Complexity
    • ⚔️ Redemption
  • Bobby Cannavale as William "The King" Stevens in Thunder Force

    William "The King" Stevens

    Played by Bobby Cannavale

    The King presents himself as a charismatic mayoral candidate but hides a sinister identity as a Miscreant. His desire for power and control propels much of the conflict within the story. The contrast between his public persona and true intentions illustrates the theme of corruption and the duality of human nature.

    • 👑 Corruption
    • ⚖️ Power
    • 💔 Deception
  • Pom Klementieff as Laser in Thunder Force

    Laser

    Played by Pom Klementieff

    Laser is a powerful and dangerous Miscreant characterized by her energy manipulation abilities. As a pivotal antagonist, she adds intensity to the film's conflict, especially through her interactions with Lydia and Emily. Her approach to villainy provides insight into the chaotic world they are fighting against.

    • ⚡ Energy
    • 🔥 Danger
    • 🎇 Conflict
Setting

Where and When Is Thunder Force Set?

Thunder Force is set in Chicago (1983, 1985, 2024). Here is why the time and place matter to the story.

When

1983, 1985, 2024

The film spans several crucial years starting from the aftermath of a significant cataclysmic event in 1983 that grants superpowers to sociopaths. By 1985, Emily Stanton is focused on combating the growing threat of Miscreants while Lydia Berman supports her journey. Fast forward to 2024, their lives have notably changed, setting the stage for a reunion and significant challenges against the Miscreants.

Where

Chicago

The movie takes place in Chicago, a bustling city known for its vibrant culture and rich history. Famous for its iconic architecture and deep-dish pizza, Chicago also grapples with its challenges, including crime and corruption. In 'Thunder Force', the city becomes a battleground between heroes and the Miscreants, highlighting the need for courage and unity among its citizens.

  • 🏙️ City
  • 🔥 Urban
  • 🚨 Danger
Themes

What Are the Themes of Thunder Force?

3 ideas the story keeps returning to, among them Heroism, Friendship and Sacrifice.

  1. 01

    Heroism

    Heroism is a central theme in 'Thunder Force' as ordinary individuals embrace extraordinary abilities to combat evil. Emily and Lydia's transformation into crime-fighters symbolizes empowerment and the importance of friendship in the face of adversity. Their journey reflects the idea that true strength comes from collaboration and sacrifice, inspiring others to stand up against fear.

  2. 02

    Friendship

    The film emphasizes the theme of friendship, particularly between Lydia and Emily, as they navigate personal challenges and the pressures of newfound responsibilities. Their bond is tested through misunderstandings and sacrifice, but ultimately becomes the anchor that propels them to take on the Miscreants. This theme highlights the importance of support and loyalty in overcoming life's obstacles.

  3. 03

    Sacrifice

    Sacrifice is poignantly depicted in the film, especially in Lydia's ultimate decision to protect Chicago from a devastating bomb. This act underscores the cost of heroism and the lengths individuals will go to for their loved ones and their community. It reflects a broader theme of selflessness in the face of chaos, showcasing the strength within one’s commitments.

Ending explained

How Does Thunder Force End?

The last act of Thunder Force and what it means, in 231 words. The ending lands as happy. Big spoilers: read the plot summary first if you have not seen it.

The final act, in full

The ending of “Thunder Force” reveals that the main villain, known as The King, was actually a Miscreant himself, who used the chaos of his own creation to manipulate and control the situation for his benefit. His plan was to spread terror and then exploit the fear to stay in power, including hosting a fake celebration to secretly detonate a bomb intended to kill his enemies and voters. Throughout the climax, the two hero friends, Emily and Lydia, work together to stop him. They manage to defeat The King, but the bomb is still active and will explode imminently. In a daring move, Lydia sacrifices herself by jumping off a building into the water, holding the bomb. Her hope is that her superhuman strength will either absorb the impact or at least save the people from destruction. Miraculously, Lydia survives the fall, and her sacrifice prevents a disaster, bringing justice to the Miscreants and saving the day. This act of heroism underscores the film’s message of friendship, bravery, and selflessness, even in a parody-style superhero setting. The story ends with the assumption that the threat from the Miscreants, notably Laser, has been contained, but the possibility of future battles remains open, hinting at a potential sequel. Overall, the ending emphasizes the importance of friendship and sacrifice in overcoming evil, even if the film itself was criticized for its lack of depth.

Tone & mood

What Kind of Film Is Thunder Force?

Light in tone, with fast pacing and a straightforward story, going by the plot summary.

Tone
Light
Pacing
Fast
Story
Straightforward
Intensity
Medium
Ending
Happy

A hilarious and energetic action-comedy that follows the joyful chaos of two mismatched best friends becoming superheroes, balancing slapstick humor with heartfelt moments of reconnection.

  • humorous
  • action-packed
  • uplifting
  • playful
  • comforting
  • energetic
  • superhero team
  • childhood friends
  • second chances
  • female empowerment

Content notes: parent death.

Quiz

How well do you remember Thunder Force? Test yourself on the story.

Take the quiz
Loading streaming availability…
Read next

Movies Like Thunder Force With a Plot Summary

6 films close to Thunder Force in story and themes that have a full plot summary here: The Thundermans Return (2024) and We Can Be Heroes (2020) lead.

All plot summaries

Missing a Movie Plot Summary?

Tell us which film you want explained next: the full story, the timeline, the characters and the ending.

Request a summary
FAQ

Thunder Force Plot Questions

6 quick answers about Thunder Force, taken from the plot summary, ending explained, character guide and setting on this page and the film’s credits.

What is Thunder Force about?

In a city still trembling from a strange cosmic event that turned ordinary people into dangerous Miscreants, two childhood friends find themselves called back into each other’s lives by a chance that feels almost fated.

Read the full plot summary

What happens at the end of Thunder Force?

The ending of "Thunder Force" reveals that the main villain, known as The King, was actually a Miscreant himself, who used the chaos of his own creation to manipulate and control the situation for his benefit.

The ending explained

When and where does Thunder Force take place?

Thunder Force is set in Chicago (1983, 1985, 2024). The film spans several crucial years starting from the aftermath of a significant cataclysmic event in 1983 that grants superpowers to sociopaths.

The setting explained

Who are the main characters in Thunder Force?

The story follows Lydia Berman (played by Melissa McCarthy), Emily Stanton (played by Octavia Spencer), Allie (played by Melissa Leo) and The Crab (played by Jason Bateman); the character guide covers 6 characters in all.

All the characters

What are the main themes of Thunder Force?

The summary picks out 3 themes: Heroism, Friendship and Sacrifice.

The themes explained

Who directed Thunder Force?

Thunder Force (2021) was directed by Ben Falcone and runs 1 hour 45 minutes.

Ben Falcone’s films

Coming soon to your phone

The Plot Explained Movie Summary App

From blockbusters to hidden gems: plot summaries, endings explained and timelines on your phone. Save your favorites and never miss a twist again.

Be the first to know when it launches. Your email stays private, always. Learn more about the app