Top Mystery Movies of 1971 Online
Unravel the unknown with the best mystery movies of 1971 online. From mind-bending plots to shocking twists, these films will keep you on the edge of your seat. Watch the top mystery movies of 1971 online and immerse yourself in stories full of suspense and intrigue.
They Might Be Giants (1971)
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After the death of his wife, wealthy retiree Justin Playfair creates a fantasy world for himself in which he is the legendary detective Sherlock Holmes, even dressing like the character. Out of concern for Justin's money more than his health, his brother Blevins puts him under the care of psychiatrist Dr. Mildred Watson. As Dr. Watson grows fond of Justin, she begins to play along with his theories, eventually becoming an assistant in his investigations.
The Strange Vice of Mrs Wardh (1971)
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When socialite and heiress Julie Wardh begins receiving blackmail letters attributed to a mysterious serial killer, she suspects her cruel and sadistic former lover Jean is behind them. With her husband Neil frequently out of town, she falls into the arms of her friend's cousin George, and as the unknown assassin begins to make his move, she fears that one of the three men in her life may be the killer.
Short Night of Glass Dolls (1971)
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An American journalist in Prague searches for his girlfriend who has suddenly disappeared.
Klute (1971)
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A high-priced call girl is forced to depend on a reluctant private eye when she is stalked by a psychopath.
The Cat o' Nine Tails (1971)
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A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.
The Hospital (1971)
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Dr. Bock, the chief of medicine at a Manhattan hospital, is suicidal after the collapse of his personal life. When an intern is found dead in a hospital bed, it appears to Bock to be a case of unforgivable malpractice. Hours later, another doctor, who happens to be responsible for another case of malpractice, is found dead. Despondent, Bock finds himself drawn to Barbara, the daughter of a comatose missionary.
The Fifth Cord (1971)
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A journalist finds himself on the trail of a murderer who's been targeting people around him, while the police are considering him a suspect in their investigation.
Lake of Dracula (1971)
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A young girl suffers a terrifying nightmare of a vampire with blazing golden eyes. Eighteen years later, it is revealed to be a hellish prophecy when a strange package containing an empty coffin mysteriously turns up at a nearby lake.
Quest for Love (1971)
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After a scientific experiment goes horribly wrong during a demonstration, a scientist finds himself trapped in an alternate reality that bears some similarities to our own, but also has some striking differences. In this other reality the Second World War had never occurred, mankind had not yet traveled into Space and Mt. Everest had not yet been conquered, just to name a few things. Also in this other reality he is no longer a scientist but rather a well known author. After a personal tragedy in this alternate world, he finds himself back in his own world and desperately trying to locate the woman he fell in love with in the other world.
Death Walks on High Heels (1971)
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Exotic dancer Nicole finds herself terrorized by a black-clad assailant determined on procuring her murdered father's stolen gems. Fleeing Paris in hopes of evading her knife-wielding pursuer, Nicole arrives in England only to discover that death stalks her at every corner.
A Lizard in a Woman's Skin (1971)
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Carol Hammond, daughter of a politician, has vivid nightmares involving sex orgies and LSD. In a dream, she murders a neighbor she envies and wakes up to a real investigation into her neighbor's murder.
Four Flies on Grey Velvet (1971)
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Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders.
They Have Changed Their Face (1971)
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A mid-level automotive company employee is summoned to the mountain villa of owner Giovanni Nosferatu, only to discover a glossy netherworld where capitalism is the new vampirism, and escape may be impossible.
The Case of the Scorpion's Tail (1971)
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After her husband dies in a freak plane accident, a woman leaves London for Athens to collect his generous life insurance policy. She soon discovers that others besides herself are keen to get their hands on the money - and are willing to kill for it. Meanwhile, a private investigator arrives to investigate irregularities in the claim, teaming up with a beautiful reporter.
The House That Dripped Blood (1971)
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A Scotland Yard investigator looks into four mysterious cases involving an unoccupied house.
The Night Visitor (1971)
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An insane Swedish farmer escapes from an asylum to get revenge on his sister, her husband and others.
The End of Man (1971)
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A naked stranger emerges from the sea to perform miracles in a nearby town and become a modern messiah whose deeds will affect the whole world.
Let's Scare Jessica to Death (1971)
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Newly released from a mental ward, Jessica hopes to return to life the way it was before her nervous breakdown. But when Jessica moves to a country house with her husband and a close friend, she finds a mysterious girl living in there. Jessica's terror and paranoia resurface as evil forces surround her.
The Bloodstained Butterfly (1971)
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When a young female student is savagely killed in a park during a thunderstorm, the culprit seems obvious: TV sports personality Alessandro Marchi, seen fleeing the scene of the crime by numerous eyewitnesses. The evidence against him is damning... but is it all too convenient? And when the killer strikes again while Marchi is in custody, it quickly becomes apparent that there's more to the case than meets the eye...
The Fourth Victim (1971)
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A wealthy Englishman finds his third wife dead. After the police discover that his first two wives had also died suddenly, an investigation is launched. Meanwhile, a new neighbor moves in and becomes very interested in him.
The Night Evelyn Came Out of the Grave (1971)
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A rich, mentally-unstable man—with a penchant for playing deadly S&M games with women who resemble his dead wife—sparks off a chain of bizarre events after getting remarried.
The Organization (1971)
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After a group of young revolutionaries break into a company's corporate headquarters and steal $5,000,000 worth of heroin to keep it off the street, they call on San Francisco Police Lieutenant Virgil Tibbs for assistance.
Pretty Maids All in a Row (1971)
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At Oceanfront High School, female students are being targeted by an unknown serial killer. Meanwhile, a married teacher hides his flings with nubile students, and an awkward male is frustrated by the plethora of uninhibited freewheeling young girls.
Blood from the Mummy's Tomb (1971)
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Two Egyptologists, Professor Fuchs and Corbeck, are instrumental in unleashing unmitigated horror by bringing back to England the mummified body of Tara, the Egyptian Queen of Darkness. Fuchs’s daughter becomes involved in a series of macabre and terrifying incidents, powerless against the forces of darkness, directed by Corbeck, that are taking possession of her body and soul to fulfill the ancient prophesy that Queen Tara will be resurrected to continue her reign of unspeakable evil.
Assault (1971)
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After a schoolgirl is raped while taking a short cut through the local woods, and another murdered a few days later, the police are baffled. With the help of a reporter, and against the wishes of a local psychologist, a young schoolteacher uses herself as bait to lure the perpetrator out.
The Deadly Trap (1971)
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An industrial espionage group calls on a retired spy living with his wife and children in Paris.
Murders in the Rue Morgue (1971)
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In Paris, in the beginning of the Twentieth Century, Cesar Charron owns a theater at the Rue Morgue where he performs the play "Murders in the Rue Morgue" with his wife Madeleine Charron, who has dreadful nightmares. When there are several murders by acid of people connected to Cesar, the prime suspect of Inspector Vidocq would be Cesar's former partner Rene Marot. But Marot murdered Madeleine's mother many years ago and committed suicide immediately after.
The Iguana with the Tongue of Fire (1971)
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In Dublin, the acid-scarred, razor-slashed corpse of a young woman is discovered in the boot of the Swiss Ambassador's limousine. The Ambassador, his family and employees all become immediate suspects. Faced with the problem of diplomatic immunity, the police officer in charge of the case brings in John Norton, an ex-Inspector known for his brutal methods, to carry out an "unoffical" investigation. While Norton develops a relationship with the Ambassdor's attractive daughter, several more gruesome murders occur...
A Howling in the Woods (1971)
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A disillusioned housewife on a vacation in the woods is disturbed by her husband continually trying to get her to come home and, more ominously, a mysterious howling at night.
Slaughter Hotel (1971)
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A masked killer stalks an institution for mentally disturbed rich women.
