Strange Behavior

Strange Behavior

Year: 1981

Runtime: 99 mins

Language: English

Director: Michael Laughlin

HorrorScience FictionMysteryHorror the undead and monster classicsIntense violence and sexual transgression

The small Illinois town’s population has been dwindling, with bodies disappearing six feet underground. When a series of teenage murders erupts, the police chief discovers a link to secret scientific experiments at the local university. He races against time to halt the deadly project before his own son becomes a victim.

Warning: spoilers below!

Haven’t seen Strange Behavior yet? This summary contains major spoilers. Bookmark the page, watch the movie, and come back for the full breakdown. If you're ready, scroll on and relive the story!

Timeline – Strange Behavior (1981)

Trace every key event in Strange Behavior (1981) with our detailed, chronological timeline. Perfect for unpacking nonlinear stories, spotting hidden connections, and understanding how each scene builds toward the film’s climax. Whether you're revisiting or decoding for the first time, this timeline gives you the full picture.

1

Bryan's murder discovered in Galesburg

Bryan, the mayor’s son, is murdered in his home and his body is later found stuffed and posed as a scarecrow. The shocking crime unsettles the town and triggers a police investigation led by John Brady. The case hints at political ties and a chilling, ritualistic vibe.

Bryan's home, Galesburg, IL
2

John Brady launches the investigation

Local policeman John Brady launches a full investigation into Bryan's murder, interviewing neighbors and reviewing evidence. He quickly senses that the case may be connected to darker, ethically questionable experiments in town. His suspicions escalate as new clues emerge.

Galesburg, IL (police HQ)
3

Pete attends class and becomes a Gwen test subject

Pete sits in on a course at Galesburg University with his friend Oliver. After Gwen Parkinson screens a lecture by her late mentor Le Sange, Pete agrees to become one of Gwen's test subjects to fund his college applications. The arrangement pulls him into a dangerous experimental program.

Galesburg University
4

Waldo incident and Oliver’s reveal

At a house party, Waldo is stabbed to death outside, and his girlfriend Lucy is attacked near the pool. The attacker flees, and in the distance he removes his mask to reveal himself as Oliver. John Brady questions Oliver, who claims he cannot recall the events due to being drunk.

House party, Galesburg
5

Forensic clues point to two killers

Medical examiners observe Waldo's bizarre incision near the eye. After examining the evidence, John concludes that two different people are responsible for Waldo's and Bryan's murders. The idea of a two-pronged killer hints at a bigger conspiracy.

Local morgue / medical examiner's lab
6

Pete's lab session and romance begins

Pete attends one of Gwen's studies at a large laboratory that hosts human and animal tests. Gwen makes him swallow a pill and recite words before dismissing him. She then invites Caroline to date, and the two begin a romance.

Gwen's laboratory
7

Timothy tragedy shocks the town

The following day, a woman discovers her son Timothy being dismembered in his bathroom by an unknown young woman. She phones the police before being stabbed herself, and barely manages to tell a friend what the killer looks like before she is killed.

Timothy's home
8

John confronts Gwen; Pete hidden in the lab

John suspects the female assailant may be one of Gwen's test subjects and confronts Gwen at the laboratory. He is unaware that Pete is in a test room, tied to a chair.

Gwen's laboratory
9

Gwen injects Pete with mind-control fluid

After John leaves, Gwen resumes the session and injects a mind-control fluid into Pete's eye. Pete awakens, confused, and is dismissed, but the mind-altering effects begin to take hold. The manipulation marks the start of a dangerous turn.

Gwen's laboratory
10

Pete falls ill after mind-testing

Pete goes to dinner with Caroline but becomes violently ill and begins urinating blood. The unsettling symptoms coincide with his exposure to Gwen's experiments, deepening the sense that something sinister is happening.

Caroline's residence / local restaurant, Galesburg
11

John and Barbara connect the murders to Le Sange; cemetery visit

John discusses the cases with his girlfriend Barbara, hypothesizing that the victims are sons of men who previously worked with him to investigate Le Sange's experiments. He believes Le Sange is alive and seeking revenge. Barbara accompanies him to the cemetery to search for clues.

John's home; cemetery, Galesburg
12

Cemetery crypt clues reveal Le Sange’s reach

Barbara follows John to the cemetery and helps him break into Le Sange's crypt. The casket is empty except for two skeletonized lower legs, confirming Le Sange's elusive presence and suggesting his involvement in the ongoing schemes.

Le Sange's crypt, cemetery
13

Revelations at the university deepen the conspiracy

Barbara recounts Catherine's ties to Le Sange, furthering the sense that the mind-control project runs deeper than anyone realized. The group moves toward the university for answers, and the mystery of John’s paternity resurfaces in the conversation.

Galesburg University
14

Mind-control climax and arrest

In a chamber at the university, Gwen and Le Sange attempt to control Pete through mind manipulation. Pete slashes his own wrists and then stabs Le Sange in the throat, declaring Le Sange his father. Police arrive and Gwen is arrested, ending the primary danger.

University testing chamber
15

Epilogue: a fragile wedding

Some time later, Pete, healed from the experiments, attends his father’s wedding to Barbara, with Caroline by his side. The ritual of normal life attempts to reclaim the town, even as the scars of the mind-control scheme linger.

Wedding scene in Galesburg

Last Updated: October 09, 2025 at 14:57

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Strange Behavior Summary

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Characters, Settings & Themes in Strange Behavior

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