Diabolique (1955)

In post–War England, a writer and sometime-ghost hunter investigates a reported haunting at a boys boarding school.

A withdrawn young man, Leland Fitzgerald is imprisoned for the murder of a mentally disabled boy, who also happened to be the brother of his girlfriend, Becky. As the community struggles to deal with the killing, Pearl Madison, a teacher at the prison, decides to write about Leland's case. Meanwhile, others affected by the murder, including Becky and her sister, Julie, must contend with their own problems.

When troubled 12-year-old Jacob Felsen is sent away to boarding school, he enters every kid’s worst nightmare: a creepy old mansion, deserted except for six other teenage misfits and two menacing and mysterious teachers. As events become increasingly horrific, Jacob must conquer his fears to find the strength to survive.

Not long after they cross paths at an art gallery, architect Ray Reardon and hypnotically sensual Lena are married with children. But as strange incidents occur, Ray begins to realize he may not really know the woman he married.

A married woman and a drifter fall in love, then plot to murder her husband.

John Reilly discovers that his family's newly inherited castle in Italy is haunted by a relentless, bloodthirsty creature.

An outwardly normal schoolteacher preys on suicidal women to slake his overwhelming thirst for human blood.

A well-to-do husband who allows his wife to have affairs in order to avoid a divorce becomes a prime suspect in the disappearance of her lovers.

True-crime writer Ellison Oswalt is in a slump; he hasn't had a best seller in more than 10 years and is becoming increasingly desperate for a hit. So, when he discovers the existence of a snuff film showing the deaths of a family, he vows to solve the mystery. He moves his own family into the victims' home and gets to work. However, when old film footage and other clues hint at the presence of a supernatural force, Ellison learns that living in the house may be fatal.

Three childhood friends, Martha, Walter and Sam, share a terrible secret. Over time, the ambitious Martha and the pusillanimous Walter have married. She is a cold businesswoman; he is the district attorney: a perfect combination to dominate the corrupt city of Iverstown at will. But the unexpected return of Sam, after years of absence, deeply disturbs the life of the odd couple.