The Misadventures of Merlin Jones (1964) Plot Summary Explained

Merlin designs an electroencephalographic helmet that records mental activity by reading brain waves. After being caught wearing it while driving (which costs him his license), he discovers the device actually enables him to read other people's thoughts directly, not just record his own brain activity. This allows him to overhear Judge Holmsby planning a crime at the diner.

Foreshadowing: Merlin first uses the helmet to record his own mental activity in the lab before testing it on others.

• mind reading
• helmet
• brain waves
• merlin jones
• invention

After learning from reading the judge's mind that Holmsby is planning a crime, Merlin informs the police but they dismiss him as a crackpot. Desperate to find concrete evidence of the judge's criminal intentions, Merlin and his girlfriend Jennifer break into the judge's house. They are arrested during the break-in, even though their intent was to uncover evidence of a real crime.

Foreshadowing: Merlin's ability to read minds first reveals the judge's criminal plans at the diner.

• break in
• evidence
• holmsby house
• arrest
• investigation

Lex Fortis is the pen name under which Judge Holmsby writes crime novels. When Merlin and Jennifer are arrested for breaking into his house, the judge confesses this secret identity in custody and asks that it remain confidential. The revelation exposes the judge's double life, he is both a respected jurist and a author of crime fiction, which adds irony to his later involvement in an actual crime.

Foreshadowing: The judge's interest in mystery plots for his books shows his fascination with crime scenarios.

• lex fortis
• pen name
• crime author
• judge holmsby
• secret identity

Merlin accepts the judge's request to help construct a mystery plot for his next book. Working on the premise that no honest person can be forced to commit a crime they wouldn't otherwise do, Merlin hypnotizes Holmsby and instructs him to kidnap the lab chimp Stanley. Merlin believes the experiment will prove that an inherently honest person cannot actually carry out a criminal act, only to be shocked when the judge successfully commits the kidnapping.

Foreshadowing: Merlin's earlier success with hypnotizing Stanley to stand up to his bully suggests his hypnosis techniques are genuinely effective.

• hypnosis
• kidnap
• stanley
• judge holmsby
• merlin experiment

After discovering that Judge Holmsby actually carried out the kidnapping under hypnosis, Merlin and Jennifer track down and return Stanley to the lab. However, the police charge them with the theft, completely unaware that the judge himself committed the crime. The judge then sentences Merlin to jail, having no memory or awareness of his own role in the kidnapping.

Foreshadowing: The earlier break-in at the judge's house gives police reason to suspect Merlin of similar crimes.

• arrest
• jail
• stanley returned
• frame
• police

Because Merlin hypnotized the judge to commit the crime, Holmsby has no conscious memory of the kidnapping. When he sentences Merlin to jail for the theft, he genuinely believes Merlin is guilty, he has no awareness of his own actions due to the hypnotic suggestion. This creates the film's central irony: the judge sentences an innocent person for a crime he himself committed while under hypnosis.

Foreshadowing: Merlin's earlier hypnosis experiment on the chimp Stanley demonstrates the power of hypnotic suggestion to override normal behavior.

• hypnosis
• amnesia
• unknowing crime
• judge guilt
• memory loss

After Merlin is sentenced to jail, Jennifer confronts the judge and somehow persuades him of his own culpability, exactly how remains dramatically unclear. The judge then admits that "a little dishonesty might exist in everybody," acknowledging his own hidden criminal tendencies. This resolution suggests that even seemingly upstanding authority figures have darker impulses that can be brought to light.

Foreshadowing: The judge's secret identity as crime novelist Lex Fortis hints at his fascination with transgression.

• jennifer
• proof
• confession
• judge admits guilt
• moral

When Merlin tells the police he learned from reading the judge's mind that Holmsby is planning a crime, they dismiss him as a crackpot. His claim seems incredible and impossible to verify, no one takes the idea of actual mind-reading seriously. This forces Merlin to take matters into his own hands by breaking into the judge's house, which ultimately leads to his arrest rather than any legitimate investigation.

Foreshadowing: Merlin's license suspension for wearing the helmet while driving establishes him as an eccentric figure the authorities don't take seriously.

• police dismiss
• mind reading claim
• crackpot
• no evidence

Merlin uses hypnosis on Stanley, the Midvale College lab chimp, to help the animal stand up to Norman, the bully student in charge of caring for him. The experiment works, Stanley gains the confidence to confront his tormenter, but it also triggers a fight between Merlin and Norman, bringing Merlin back before Judge Holmsby. This experiment demonstrates Merlin's growing confidence in applying hypnosis to influence behavior.

Foreshadowing: The success of this experiment emboldens Merlin to attempt hypnosis on the judge himself.

• stanley
• chimp
• hypnosis
• norman
• bully
• lab

Merlin is caught wearing his mind-reading helmet while driving, and Judge Holmsby suspends his license as punishment. The helmet is considered dangerous or illegal to use while operating a vehicle. This first encounter with the judge establishes the ongoing conflict between Merlin's scientific experiments and institutional authority that drives much of the film's comedy.

Foreshadowing: Merlin's habit of wearing the helmet in inappropriate settings foreshadows his later legal troubles.

• license suspended
• driving
• helmet
• judge holmsby
• traffic