Federico, a criminal on the run, forms an inappropriate relationship with 12-year-old Simona. Her mother Vera conspires with Federico to murder Simona's disabled father, straining Federico's bond with Simona.
Two bored Catholic schoolgirls spending summer in the countryside decide to become Satanists, and begin committing a series of morbid and increasingly dangerous crimes.
After the death of her parents, a young girl arrives at a convent and brings a sinister presence with her. Is it her enigmatic imaginary friend, Alucarda, who is to blame? Or is there a satanic force at work?
A rich older woman living in a country house brings home a new model to be photographed by a young enigmatic photographer who lives with her. The unsuspecting girl becomes entangled in a web of sex, abuse and death.