What Is Impulse About?
The premise of Impulse in 295 words, with nothing given away. The full story follows below.
In a world where charm can mask menace, the film teeters on the edge of polished veneer and hidden darkness. The opening line—When the demons of evil strip away rational thought, only IMPULSE remains—sets a tone that blends psychological tension with a sleek, noir‑like aesthetic. Picture a city that glitters on the surface, where leisure suits and smooth talk mask a deeper, unsettling hunger for control. This atmosphere invites the audience to question every smile and every promise, making the ordinary feel suddenly precarious.
Enter Matt Stone, a sharply dressed conman whose confidence borders on paranoia. He moves through society like a predator in a designer suit, exploiting the vulnerabilities of those who crave connection. His modus operandi revolves around seductive promises and a veneer of legitimacy that makes his allure almost hypnotic. The very notion of “impulse” becomes his weapon, a whisper that convinces his marks to suspend doubt long enough for him to make his move.
His latest focus lands on Ann Moy, a recently widowed mother navigating the quiet desperation of single‑parent life. She longs for stability and companionship, yet the presence of Tina Moy, her sharp‑eyed daughter, introduces an unexpected tension. Tina, already wary of strangers, begins to sense that something about the newcomer is off‑kilter. Their interactions create a delicate dance of trust and suspicion, with the mother’s desire for solace clashing against her child’s protective instincts.
Adding another layer, Julia Marstow, a close friend of Ann’s, senses an undercurrent of danger. Her growing unease amplifies the film’s sense of looming threat without ever spelling out what lurks beneath the surface. Together, these characters inhabit a world where polished exteriors hide volatile impulses, setting up a psychological showdown that promises to keep the audience guessing long after the credits roll.
What Happens in Impulse?
The complete story of Impulse, from the first scene to the last, in 359 words (about 2 minutes). Spoilers throughout. Names in the text link to 4 cast member pages.
Spoilers ahead
Matt Stone, William Shatner, grows up with a dark past: as a boy he became a homicidal maniac after defending himself against his mother’s abusive boyfriend. Now a suave playboy conman, he has a long history of swindling women out of their money and then killing them to move on to the next wealthy mark. His sights settle on Ann Moy, a single mother whose life seems ripe for manipulation, yet Ann’s daughter Tina Moy, Kim Nicholas, quickly sees through the charm and warns her mother to stay away from the charismatic stranger.
The danger intensifies when Matt is visited by an old prison cellmate, Karate Pete, Harold Sakata, a hulking wrestler who wants a share of the action. Matt manages to outwit and eliminate Pete in a tense, brutal car wash confrontation, a murder that Tina witnesses. To keep up appearances and lure her into a false sense of security, Matt offers Tina a ride to school, trying to come across as protective and kind. Tina, shaken by what she saw, tells her mother, who initially brushes off the tale as a childish fabrication and accuses Tina of wrecking her happiness.
As the web tightens, Ann’s older friend Julia Marstow, Ruth Roman, grows suspicious and becomes convinced that Tina’s warnings are valid. Her growing distrust places her squarely in Matt’s line of fire, turning her into a dangerous obstacle for the conman. The suspense builds as Julia’s concerns draw Matt deeper into a web of threats and evasions, triggering a deadly countdown toward confrontation. With Julia’s opulent home as the setting, the story escalates into a final, violent showdown where truth, fear, and past deeds collide in a high-stakes clash.
Across these events, the film weaves a dark portrait of manipulation and danger, anchored by the uneasy dynamic between a mother trying to protect her child and a predatory man whose past continues to haunt every move. The narrative keeps its tone restrained and focus on character psychology, building tension through careful reveals and Rachel-like glimpses of the danger looming behind a polished exterior, culminating in a climactic resolution that leaves little doubt about the cost of deceit.
Impulse Timeline: Every Key Event in Order
10 key events in the order they happen, from “Origins of a killer” to “Final showdown”. 10 events name a place, across 10 locations.
- 1
Origins of a killer
As a boy, Matt Stone's life takes a dark turn after he kills his mother's abusive boyfriend in self-defense. That act marks the start of a pattern of violence that will shadow him into adulthood. The memory fuels a persona that blends charm with brutality, setting the course for a life of manipulation and murder.
When:Childhood Where:Mother's home
- 2
From violence to con artistry
In adulthood, Matt becomes a playboy conman who swindles women out of their money and then kills them to cover his tracks. The killings are methodical, designed to remove threats and facilitate his next scam. His charm masks a murderous instinct that drives him from one target to the next.
When:Adult life Where:Various cities
- 3
Target chosen: Ann Moy
Matt sees Ann Moy, a single mom, as his next wealthy target. He plans to charm her while keeping his dangerous edge out of sight. The scheme relies on exploiting Ann's vulnerabilities and Tina's growing concerns about him.
When:Present Where:Ann Moy's city
- 4
Tina's warning
Tina, Ann's adolescent daughter, sees through Matt's grifter persona and tries to warn her mother. She urges Ann to stay away from the suspicious man who feels dangerous. Her early warnings threaten Matt's carefully built illusion.
When:Early stage Where:Ann Moy's home
- 5
Pete the rival enters
Matt's old prison cellmate, the wrestler 'Karate Pete', visits with designs to cut in on Matt's operation. The encounter hints at a rival scheme and raises the stakes for Matt's secrecy. Matt maintains his cool as the visitor's presence looms.
When:Pre-murder Where:Matt's place
- 6
Murder at the car wash
The murder comes when Matt kills Pete in a car wash, a brutal act that is witnessed by Tina. The kill demonstrates Matt's readiness to eliminate threats to his operation. Tina's witnessing of the crime makes her a dangerous witness for Matt to manage.
When:Mid-story Where:Car wash
- 7
A ride to school
To preserve the illusion of normalcy after the murder, Matt offers Tina a ride to school. He uses his charm to placate her and dampen any suspicion. Tina accepts the ride but remains wary and determined to tell the truth.
When:Immediately after murder Where:On the way to school
- 8
Tina tells her mother
Tina tells Ann what she saw. Ann initially dismisses Tina, thinking she is overreacting or being selfish. This denial helps Matt's secret stay intact for the moment.
When:After the ride Where:Ann's home
- 9
Julia grows suspicious
Ann's older friend Julia begins to know Matt and becomes convinced Tina is right about him. Her suspicions place Matt on her radar and threaten the stability of his web of lies. This raises the stakes as Matt works to keep his mask intact.
When:Following Tina's account Where:Julia's home and social circle
- 10
Final showdown
Julia's palatial home becomes the stage for the climactic confrontation with Matt. The illusion collapses as truth closes in and a violent confrontation unfolds. The film ends with Matt's ruthlessness tested in a high-stakes showdown.
When:Climax Where:Julia's home
Who Are the Main Characters in Impulse?
6 characters, among them Matt Stone (William Shatner), Tina Moy (Kim Nicholas) and Ann Moy (Jennifer Bishop): who each one is and the part they play in the story. Every profile links to the actor’s page.
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Matt Stone (William Shatner)
Played by William Shatner
A charismatic conman whose surface charm masks a violent, calculating nature. He killed his mother's abusive boyfriend as a boy and has since built a career on deceit and murder, treating relationships as scores to settle. He toys with trust and uses luxury and charm to lure his victims before discarding them.
- 🦹♂️ Villain
- 💼 Conman
- 🔪 Murderer
- TM
Tina Moy (Kim Nicholas)
Played by Kim Nicholas
An observant adolescent who sees through Matt’s veneer and tries to warn her mother. She witnesses Matt killing Karate Pete at the car wash, becoming the film’s moral counterpoint. Her awareness and courage threaten Matt’s control and escalate the danger.
- 🧒 Kid
- 🕵️ Witness
- 💡 Insight
- AM
Ann Moy (Jennifer Bishop)
Played by Jennifer Bishop
A single mother attracted by Matt's charm, she eases into a dangerous relationship. She remains protective of Tina but is slow to grasp Matt's true nature. Her trust in him makes the family a potential target until the confrontation.
- 💞 Romantic
- 🛡️ Protective
- JM
Julia Marstow (Ruth Roman)
Played by Ruth Roman
Ann’s older friend who becomes convinced of Matt’s true nature. Her vigilance and resolve bring suspicion into action, guiding the danger toward the palatial home where the final showdown unfolds.
- 🕵️ Detective
- 🧭 Insight
- KP
Karate Pete (Harold Sakata)
Played by Harold Sakata
Matt’s old prison cellmate who tries to muscle in on the con. He presses his claim, prompting a violent confrontation. Matt kills him in a car wash, a crime that triggers the cascade of threats that follow.
- ⚔️ Rival
- 🗡️ Threat
- MA
Matt, as a Boy (Chad Walker)
Played by Chad Walker
The early manifestation of Matt’s violent disposition, the event that seeds his homicidal trajectory and foreshadows the ruthlessness that defines him as an adult.
- 👶 Origin
- 🧭 Trauma
Where and When Is Impulse Set?
Impulse is set in Car wash, Julia's palatial home, Ann Moy's residence, Tina Moy's neighborhood…. Here is why the place matters to the story.
Where
Car wash, Julia's palatial home, Ann Moy's residence, Tina Moy's neighborhood, prison
The story shifts between gritty urban locations and opulent interiors. The car wash serves as the pivotal crime scene, contrasting with the luxurious, expansive home where the final confrontation unfolds. Other settings include the modest life of Ann Moy and her daughter, highlighting the clash between predatory crime and everyday domestic space. These places illustrate social contrasts and heighten the tension as danger closes in.
- 🏙️ Urban
- 🏰 Domestic wealth
- 🔪 Crime
What Are the Themes of Impulse?
3 ideas the story keeps returning to, among them Deception, Predation and Investigation.
-
01
Deception
Deception sits at the core of the film as Matt Stone hides murderous intent behind charm and sophistication. Tina senses the gap between his words and actions, challenging the polished facade. Julia's growing suspicion pushes the plot toward action, exposing how appearances can mask danger. The theme emphasizes how trust can be exploited in the pursuit of power and money.
-
02
Predation
The narrative centers on predatory behavior, with Matt targeting women for financial gain and then murder. The pattern reveals a chilling need for control and removal of threats. Tina's witness to the car wash murder escalates the danger and narrows Matt’s circle of safety. The violence crescendos into a climactic clash that tests all loyalties.
-
03
Investigation
Tina and Julia become the moral compass of the investigation, piecing together Matt’s pattern and exposing his guilt. Tina’s warnings and Julia’s intuition push the story toward decisive action rather than passive fear. The pursuit of truth drives the tension toward a final reveal in a lavish setting. Suspicion acts as a weapon that destabilizes Matt’s control.
What Kind of Film Is Impulse?
Dark in tone, with fast pacing and a straightforward story, going by the plot summary.
- Tone
- Dark
- Pacing
- Fast
- Story
- Straightforward
- Intensity
- High
- Ending
- Bleak
A dark and relentless thriller that creates an intensely paranoid and unsettling atmosphere as it follows a charming but psychotic killer preying on vulnerable women.
- paranoid
- ominous
- suspenseful
- brutal
- unsettling
- cynical
- serial murder
- psychological manipulation
- con artist
- child endangerment
Content notes: graphic violence, murder, strangulation, child abuse, domestic abuse, psychological trauma.
Quiz
How well do you remember Impulse? Test yourself on the story.
