The Lineage of Cain

A woman with psychic powers has a vision of a murder that took place in a house owned by her husband.

Oliviero is a drunk, burned-out writer who amuses himself by hosting orgies at his grand country manor and humiliating his wife Irina. When a number of women are murdered in grisly fashion, Oliviero becomes a prime suspect.

A private investigator helps a former flame solve the murder of her wealthy grandfather, who lived in a sprawling estate surrounded by his idiosyncratic family.

Jane Marple solves the mystery when a local woman is poisoned and a visiting movie star seems to have been the intended victim.

Following the mysterious decapitation of an insurance investigator, Police Inspector Peretti is put onto the case, but all the clues lead to an unsolved case of kidnapping and murder.