Character Relationship Map: Impulse

Characters

• Stuart (played by Tim Matheson) — protagonist

  Jennifer's boyfriend and the male protagonist who drinks contaminated milk, experiences violent behavioral changes, and uncovers the town's toxic waste conspiracy before being murdered.

• Jennifer (played by Meg Tilly) — protagonist

  The female protagonist and Stuart's girlfriend who avoids the contaminated milk, survives the town's psychological and violent breakdown, and ultimately retaliates against the government operative res...

• Dr. Carr (played by Hume Cronyn) — supporting

  The town's local physician who euthanizes Margaret Russell before taking his own life as the chemical contamination causes widespread chaos.

• Eddie (played by Bill Paxton) — supporting

  Jennifer's brother who develops incestuous desires for her, leading to a violent and fatal confrontation with Stuart.

• Margo (played by Amy Stryker) — supporting

  Jennifer's friend residing in town; her home serves as an early location where signs of the town's psychological deterioration and violent outbreaks become apparent.

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Dr. Carr → Jennifer (Professional Medical Crisis Connection) — Dr. Carr's medical decision directly affects Jennifer's family during the outbreak.

  Dr. Carr euthanizes Jennifer's hospitalized mother before taking his own life.

• Jennifer → Eddie (Family Brother) — Their family connection becomes dangerous when Eddie develops incestuous feelings for Jennifer.

  The plot explicitly identifies Eddie as Jennifer's brother.

• Stuart → Jennifer (Romantic Boyfriend) — Their romantic relationship anchors the film's central survival conflict.

  The plot identifies Stuart as Jennifer's boyfriend, and they travel together to visit her hospitalized mother.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Stuart → Dr. Carr (Narrative Shared Crisis Witness) — Their separate actions reveal different consequences of the same town-wide catastrophe.

  Stuart investigates the town's contamination and violence while Dr. Carr euthanizes Margaret and then takes his own life.

• Stuart → Eddie (Conflict Mortal Adversary) — Stuart confronts Eddie violently to stop the threat against Jennifer.

  After discovering Eddie's incestuous feelings for Jennifer, Stuart kills him.

• Jennifer → Margo (Social Friend) — Margo is Jennifer's local friend and an early link to the town's deterioration.

  Jennifer visits her friend Margo and observes evidence of violent behavior in Margo's home.

Story Analysis

A couple becomes trapped in a contaminated town where violence spreads through the milk supply and survival demands uncovering the hidden cause.

Plot Progression

1. A Visit Turns Strange — Stuart and Jennifer arrive to visit Jennifer's hospitalized mother. Strange behavior and the contaminated milk establish the town's hidden danger.
2. Violence Reaches Home — The milk's effects intensify as Stuart and the townspeople become violent. Jennifer encounters disturbing evidence at Margo's home and barely survives a garage fire.
3. The Town Breaks Apart — Dr. Carr responds to the crisis with euthanasia and suicide. Stuart discovers Eddie's incestuous feelings, kills him, and begins to succumb to violent behavior.
4. Toxic Truth Exposed — Jennifer becomes stranded outside town while Stuart investigates the woods and milk facility. He finds the toxic leak connecting the contamination to the milk supply.
5. A Survivor's Retaliation — Stuart hears radio plans to spray the town and is shot by a connected government operative. Jennifer kills the shooter, then walks away from the town's mass death.