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Spasms (1983) Plot Summary & Timeline

Spasms (1983) movie poster

Spasms is a 1983 sci-fi and horror film directed by William Fruet and George Bloomfield, running 1 hour 30 minutes. This page retells the whole story in 736 words (about 3 minutes to read) and covers 14 key events in order, 4 characters, where and when it is set and 3 themes. Looking for the cast, ratings and where to stream it? See the movie page for Spasms.

to read the plot summary
3 min
key events in the timeline
14
characters profiled
4
themes explained
3
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Spasms (1983) movie poster
Released
Runtime
1h 30m
Genres
Sci-Fi, Horror
Original language
English
No spoilers

What Is Spasms About?

The premise of Spasms in 309 words, with nothing given away. The full story follows below.

In a remote corner of the Pacific, a colossal serpent—more myth than animal—has been captured and shipped to an American university where a team of researchers begins to probe its mysterious powers. The creature’s presence turns the campus into a crucible of curiosity and dread, its very biology hinting at a malevolent force that defies containment. Shadows linger over lecture halls and laboratories alike, as the serpentine menace exudes an aura that makes ordinary science feel dangerously insufficient.

Jason Kincaid, a reclusive millionaire and philanthropist, survived a fatal encounter with the snake’s venom that left his brother dead and himself altered in ways he cannot explain. Haunted by unsettling visions that suggest a psychic tether to the beast, he finances the ambitious project in hopes of severing the link and protecting his own mind. To that end he enlists Dr. Tom Brasilian, a psychiatrist obsessed with extrasensory perception, offering his resources in exchange for a cure that could free both man and creature from a shared nightmare. Their uneasy partnership blends high‑level academia with the raw urgency of a personal obsession, setting a tone that oscillates between methodical inquiry and frantic desperation.

Complicating the fragile equilibrium is Suzanne Kincaid, Jason’s niece, who questions the very nature of the alleged connection and brings a skeptical, grounded perspective to the unfolding drama. Her presence adds a familial tension that mirrors the larger clash between scientific ambition and the unknown. Around them, a quiet chorus of interested parties—students, faculty, and unseen observers—sense that the serpent’s influence may be spreading beyond the lab, hinting at an ominous ripple that could engulf more than just a handful of researchers. The film lingers in a atmosphere thick with suspense, where each glint of scales and each whispered hypothesis raises the stakes of what might happen when humanity tries to harness a horror it barely understands.

Full plot

What Happens in Spasms?

The complete story of Spasms, from the first scene to the last, in 736 words (about 3 minutes). Spoilers throughout. Names in the text link to 5 cast member pages.

Spoilers ahead

Reclusive millionaire philanthropist Jason Kincaid Oliver Reed survived a hunt gone wrong when a massive taipan serpent killed his brother in Micronesia. The same venom that struck his brother also pierced Kincaid, yet somehow spared him—the venom is suggested to have mutated the brain cells responsible for extrasensory perception, forging a disturbing telepathic link between man and creature. Haunted by visions of the snake’s continued killings, Kincaid decides to act, paying for a poacher to capture the snake and deliver it to his secluded mansion outside San Diego. To help sever the unwelcome psychic tether, he hires Dr. Tom Brasilian Peter Fonda, a psychiatrist and ESP researcher, and in return underwrites Brasilian’s ongoing investigations. The arrangement is simple in theory: find a cure for the bond, and the benefactor’s wealth becomes fuel for science.

Yet the plot quickly thickens as a Satanic cult learns of the serpent’s existence and desires to wield its power for worship. They see the snake as the demon guardian of the underworld and set their sights on possessing it. To accomplish this, they enlist ex-CIA agent Warren Crowley Al Waxman to steal the creature. Crowley bribes a sailor aboard the transport ship to assist in the heist, but the plan unravels when the mole is bitten and slain while attempting to peek inside the container. The cult’s ambition collides with the kaleidoscope of loyalties around the snake, and the threat escalates from a scientific curiosity to a mortal danger with echoes of the occult.

Kincaid’s family ties introduce Suzanne Kincaid Kerrie Keane, his niece, who is convinced that the psychic link is a delusion born from trauma rather than a supernatural bond. She becomes entangled in the dangerous drama when she secretly tries to kill the snake by raising the temperature of its containment to a lethal 150 degrees. The intruders’ plan triggers a brutal cascade: Crowley and his minder Deacon Tyrone Angus MacInnes break into Brasilian’s lab, and Tyrone, realizing the serpent is overheated, opens the container. The snake strikes with deadly precision, killing Tyrone and the lab director, and then fleeing into the night. Brasilian and Suzanne are summoned to the scene by police, while Kincaid, sensing the danger, braces for what comes next.

Brasilian, ever the pragmatist, concludes that the serpent must seek a temperate climate and directs a search of a nearby greenhouse. The creature breaches the space and launches a vicious attack, forcing Brasilian to fend it off with a fire extinguisher. Police arrive, but Kincaid manages to sway them from charging him with illicitly importing such a lethal animal, convincing them of the danger the snake represents. The serpent does not stay contained for long; it launches a savage assault on a nearby sorority house, slaughtering its occupants as Kincaid witnesses the carnage through his terrifying mental link.

With the cult pressing its bid to recover the creature, Crowley grows increasingly desperate and bribes the location of Kincaid’s residence, hoping the snake will eventually come to him. Brasilian, meanwhile, devises a plan to use Kincaid’s unique brain-pattern signatures to track the animal. A brain-monitoring device is hooked up to Kincaid, and the psychic bond intensifies into a telepathic episode: Kincaid sees the snake reach their house, and in a flood of cryptic sensations he manages to scream out a few last words before the connection collapses. Suzanne realizes that the vision was pointing to their own home, and she and Brasilian sprint to intercept the threat.

When Kincaid arrives at the house, the carnage is already underway. The snake has claimed a groundskeeper, and the grounds around the residence become a theater of escalating visions for the doomed man as he stumbles through the landscape in search of the creature. He draws a knife and fights back, but the psychic energy crackles with explosive ferocity, and the struggle ends with Kincaid fatally overmatched. Brasilian and Suzanne rush in as the last barrier collapses; Brasilian seizes Kincaid’s gun and fires the weapon, wounding—and ultimately killing—the serpent. The snake’s remains burn in the yard, lying side by side with Kincaid as night falls on the house that could not protect him from the monstrous bond he forged with the creature. The ordeal closes on a somber note: science and motive collide with fanatic worship and an unsparing fate, leaving behind a cautionary tale about curiosity, power, and the costs of a connection that should never have existed.

Timeline

Spasms Timeline: Every Key Event in Order

14 key events in the order they happen, from “Kincaid's brother's death and the telepathic link” to “Aftermath and departure”. 14 events name a place, across 9 locations.

  1. 1

    Kincaid's brother's death and the telepathic link

    During a hunting trip in Micronesia, Kincaid loses his brother to a massive taipan. The venom also bites him, but he survives and appears to develop a telepathic link with the snake. Haunted by visions of the creature's killings, he begins to seek a cure for the link through psychic research.

    When:Before the main events Where:Micronesia

  2. 2

    Kincaid moves to contain the threat and hires Brasilian

    Kincaid arranges for a poacher to capture the snake and deliver it to his mansion outside San Diego. He hires Tom Brasilian, an ESP researcher and psychiatrist, promising to underwrite Brasilian's ongoing work in exchange for help severing the link. This marks the formal beginning of the battle to control the creature.

    When:Shortly after the hunting trip Where:San Diego area (Kincaid mansion)

  3. 3

    Satanic cult targets the snake

    A Satanic cult fixates on the serpent as a demonic symbol and hires ex-CIA agent Warren Crowley to steal it. Crowley bribes a sailor aboard the transport to help secure the snake, but the mole is killed when he peeks inside the container and is bitten, dying overboard.

    When:During shipment Where:On the ship transporting the snake

  4. 4

    Snake moved to university lab under surveillance

    Brasilian insists the snake stay at a university laboratory until Kincaid’s private lab is ready, and oversees its transport there. Crowley and his minder Deacon Tyrone tail the operation, pursuing the snake's path toward the center of research. The pursuit sets the stage for further confrontations.

    When:During transport to university Where:University laboratory

  5. 5

    Suzanne attempts to kill the snake

    Kincaid’s niece Suzanne secretly increases the container’s temperature to a lethal 150 degrees, believing the psychic link is a delusion. Her risky experiment foreshadows the deadly consequences of tampering with the creature. The attempt happens in the lab setup.

    When:Night Where:University laboratory

  6. 6

    Break-in and the snake escapes

    That night Crowley and Tyrone break into the lab. Tyrone, realizing the snake is overheated, opens the container, allowing the creature to break loose. The snake kills Tyrone and the lab director before escaping outside.

    When:Night Where:University laboratory

  7. 7

    Police involvement and custody threat

    Brasilian and Suzanne are summoned to the scene by police, while Kincaid senses the snake has broken loose. Authorities are skeptical of the tale and worry about potential manslaughter charges for illicitly importing such a deadly animal. The trio is kept under scrutiny as the danger continues to spread.

    When:After break-in Where:University laboratory

  8. 8

    Snake attacks the sorority house

    Without warning, the serpent strikes a nearby sorority house, killing its inhabitants. Kincaid witnesses the slaughter through his telepathic link, unable to stop the carnage in time. The rampage demonstrates the creature's reach beyond the lab.

    When:Shortly after lab incident Where:Sorority house

  9. 9

    Crowley advances toward Kincaid's residence

    Threatened by the cult for failing to secure the snake, Crowley bribes access to Kincaid's residence and travels there by van, convinced the creature will eventually arrive at the house. He plans to capture it at the target location, escalating the chase.

    When:Mid-to-late sequence Where:Route to and at Kincaid residence

  10. 10

    Brain-link monitoring and a fatal vision

    Brasilian uses a brain-pattern monitoring device to tap into Kincaid’s psychic link and track the snake. During a telepathic episode, Kincaid sees the snake arrive at his house and kill Crowley, but the connection is interrupted before he can explain further. Suzanne realizes the vision refers to their own home.

    When:During monitoring Where:Kincaid residence

Show the other 4 events of Spasms
  1. 11

    Homecoming confrontation begins

    Kincaid arrives at his house to discover the snake has already killed a groundskeeper. He grabs an assault rifle and searches the grounds, but intense visions push him toward the limit and he loses his weapon. The impending confrontation threatens to erupt at any moment.

    When:Evening/late Where:Kincaid residence

  2. 12

    Final close-quarters duel

    In the backyard, the psychic energy surrounding the fight triggers explosive phenomena. He attacks the snake with a knife, but the creature overpowers him in a brutal struggle. The final confrontation leaves Kincaid mortally wounded.

    When:Final confrontation Where:Kincaid residence backyard

  3. 13

    Brasilian kills the snake

    Brasilian arrives with Suzanne and retrieves Kincaid's gun, shooting the snake to death. They watch as the creature's remains burn, ending the immediate threat to the neighborhood and marking the tragic end for Kincaid.

    When:After the fight Where:Kincaid residence backyard

  4. 14

    Aftermath and departure

    Brasilian and Suzanne depart the scene, reflecting on the cost of taming a dangerous psychic link. The mansion quiets as the snake and Kincaid lie in ruin, signaling the heavy price paid for trying to master otherworldly power.

    When:After the confrontation Where:Kincaid residence vicinity

Characters

Who Are the Main Characters in Spasms?

4 characters, among them Jason Kincaid (Oliver Reed), Dr. Tom Brasilian (Peter Fonda) and Warren Crowley (Al Waxman): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • Oliver Reed as Jason Kincaid (Oliver Reed) in Spasms

    Jason Kincaid (Oliver Reed)

    Played by Oliver Reed

    A reclusive billionaire who survived a taipan bite and is haunted by visions of the serpent. He finances Brasilian's research and pushes for control over the creature, revealing a cold, obsessive streak. His psychic link with the snake exposes a desperate willingness to gamble with life and death to protect others.

    • 🧠 Psychic
    • 💰 Wealthy
    • 🗝️ Obsessive
  • Peter Fonda as Dr. Tom Brasilian (Peter Fonda) in Spasms

    Dr. Tom Brasilian (Peter Fonda)

    Played by Peter Fonda

    A psychiatrist and ESP researcher who becomes the centerpiece of the project to study and contain the serpent. He oversees transport and containment of the snake, and develops a brain-pattern monitoring setup to interpret Kincaid's visions. Pragmatic and ambitious, he seeks funding through Kincaid while wrestling with ethical implications.

    • 🧠 Psychic
    • 🧬 Scientist
    • 💬 Ethical debate
  • Al Waxman as Warren Crowley (Al Waxman) in Spasms

    Warren Crowley (Al Waxman)

    Played by Al Waxman

    A former CIA agent turned to criminal dealings, hired by the cult to steal the serpent. He uses bribery and manipulation to advance the plan, but his ruthless methods collide with the creature's lethal nature, leading to a violent and doomed pursuit.

    • 🕶️ Shadowy
    • 🗡️ Ruthless
  • SK

    Suzanne Kincaid (Kerrie Keane)

    Played by Kerrie Keane

    Jason's niece, initially skeptical of the psychic threat, plays a pivotal role in the unfolding events. She attempts to kill the snake by overheating its container but later assists Brasilian, recognizing the gravity of the link and its consequences.

    • 💡 Insightful
    • 🎯 Determined
Setting

Where and When Is Spasms Set?

Spasms is set in Micronesia, San Diego area (Kincaid mansion), University laboratory…. Here is why the place matters to the story.

Where

Micronesia, San Diego area (Kincaid mansion), University laboratory, Greenhouse, Sorority house, Kincaid residence

The story shifts from a remote Micronesian hunting trip to a secluded mansion outside San Diego, grounding the drama in opulent spaces that hide peril. The private residence and the university lab become stages for psychic experiments, pursuit, and deadly confrontations. Exterior locations like a greenhouse and a sorority house heighten the contrast between nature's threat and controlled scientific environments.

  • 🌴 Tropical locales
  • 🏠 Private mansion
  • 🧪 Scientific research
  • 🧭 Mystery and danger
Themes

What Are the Themes of Spasms?

3 ideas the story keeps returning to, among them Psychic Link, Occult Cult and Science and Control.

  1. 01

    Psychic Link

    The core idea is a psychic connection between a man and a serpent after venom-induced brain changes. The link drives Kincaid to seek mastery over the creature, while Brasilian attempts to harness it for research and funding. The telepathic bond blurs the line between human will and animal instinct, raising questions about responsibility and control.

  2. 02

    Occult Cult

    A Satanic cult views the snake as a demon guardian and seeks it for worship, framing the creature as both sacred and dangerous. The cult hires Crowley to seize the serpent, illustrating how occult beliefs collide with scientific ambition. Violence erupts as ritual and greed clash with the creature's deadly intelligence.

  3. 03

    Science and Control

    Brasilian's brain-monitoring research and the attempt to track the snake demonstrate the lure and danger of extending scientific reach. The work raises ethical questions about exploiting a sentient being for knowledge and funding. Ultimately, the push to control the未知 reality proves catastrophic.

Tone & mood

What Kind of Film Is Spasms?

Dark in tone, with fast pacing and a moderate story, going by the plot summary.

Tone
Dark
Pacing
Fast
Story
Moderate
Intensity
High
Ending
Sad

A relentlessly intense and gruesome horror film where a man's telepathic bond with a giant snake creates a chaotic spiral of occult ambition and brutal death, culminating in a tragic and destructive finale.

  • horrifying
  • suspenseful
  • oppressive
  • violent
  • anxious
  • bleak
  • psychic link
  • satanic cult
  • scientific hubris
  • monster horror

Content notes: animal death, gory violence, occult themes, psychological torment.

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FAQ

Spasms Plot Questions

5 quick answers about Spasms, taken from the plot summary, character guide and setting on this page and the film’s credits.

What is Spasms about?

In a remote corner of the Pacific, a colossal serpent—more myth than animal—has been captured and shipped to an American university where a team of researchers begins to probe its mysterious powers.

Read the full plot summary

When and where does Spasms take place?

Spasms is set in Micronesia, San Diego area (Kincaid mansion), University laboratory, Greenhouse, Sorority… The story shifts from a remote Micronesian hunting trip to a secluded mansion outside San Diego, grounding the drama in opulent spaces that hide peril.

The setting explained

Who are the main characters in Spasms?

The story follows Jason Kincaid (Oliver Reed) (played by Oliver Reed), Dr. Tom Brasilian (Peter Fonda) (played by Peter Fonda), Warren Crowley (Al Waxman) (played by Al Waxman) and Suzanne Kincaid (Kerrie Keane) (played by Kerrie Keane).

All the characters

What are the main themes of Spasms?

The summary picks out 3 themes: Psychic Link, Occult Cult and Science and Control.

The themes explained

Who directed Spasms?

Spasms (1983) was directed by William Fruet and George Bloomfield and runs 1 hour 30 minutes.

William Fruet’s films

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