In 1599 Italy, Beatrice Cenci is the teenage daughter of the crazed landowner and nobleman Francesco Cenci who keeps her locked up in the dungeon of his castle where he sexually abuses her. Beatrice plots with her stepmother, her besotted servant Olimpio, as well as a local bandit, named Catalano to plan Francesco’s murder.

Anna is the personal secretary of a rich industrialist who falls in love with her boss' daughter's leftist boyfriend, Carlo. Anna pretty much severs her ties with her boss (who she also had romantic moments with) and after she moves in with the college student Carlo she attempts to provide for both, but soon fails in finding job opportunities and sinks into the sleazy world of drugs and prostitution. Carlo's right wing brother demands Carlo begins his relationship with daughter of the powerful businessman in order to guarantee financial freedom for the rest of his life.

Some youngsters rape and kill their teacher; but they won't tell their motivation. The police detective on the case feels some sinister influence behind the young murderers.

A masked killer stalks an institution for mentally disturbed rich women.