Your Vice Is a Locked Room and Only I Have the Key

A teacher who is having an affair with one of his students is reluctant to present an alibi when his lover witnesses the first in a series of murders connected to their school.

When a southern Italian town is rocked by a string of child murders, the police and two urban outcasts search for the culprit amid scapegoating within the superstitious community.

An old professor rents a mysterious old villa, and finds a tape recorded by a previous occupant, detailing her debauched lifestyle and the events leading to her murder.

An inspector investigates a string of murders, which are committed by paralyzing the victims before eviscerating them - the same way a wasp kills a tarantula - and are connected to a spa.

Greta, a mysterious woman with amnesia, is taken in by the wealthy Mr. and Mrs. von Ravensbruck. The three soon enter into a love triangle that turns deadly, as Greta's gruesome past is slowly reveale

A woman searches for her missing lover, a psychiatrist who has suddenly vanished for no apparent reason. She ends up at a villa populated by a group of eccentric individuals. A string of murders comme

An American novelist visiting Rome to promote his latest book is stalked and harassed by an obsessed fan who is committing a string of murders that appear to be tributes to his work.

When the University of Perugia is rocked by a string of murders committed with red-and-black scarves, four co-eds retreat to a countryside villa where the killer is closer than they think.

A mother and her daughter run a hotel during the late stages of WWII. The mother suddenly dies, and the daughter finds herself alone with her sleazy guests.

An American writer vacationing in Rome attempts to unmask a serial killer he witnessed in the act of an attempted murder, and who is now hunting him and his girlfriend.

The murder of a wealthy countess triggers a chain reaction of brutal killings in the surrounding bay area as several unscrupulous characters try to seize her large estate.

An unscrupulous doctor is accused of killing his asthmatic wife as part of an insurance scam, despite discovering that she has a doppelgänger who works as a stripper and call girl.