The Conspiracy of Torture (1969)

In 1599 Italy, Beatrice Cenci is the teenage daughter of the crazy landowner and nobleman Francesco Cenci whom he keeps his daughter locked up in the dungeon of his castle for his plaything, sexually abusing her when he feels like it. Beatrice then plots with her stepmother, her besotted servant Olimpio, as well as a local bandit, named Catalano, to plan Francesco's murder.