A psychotic small-time criminal realizes that the everyday robberies, rapes and murders he commits aren't profitable enough, so he figures to hit the big time by kidnapping the daughter of a rich man.

Oscar is trying to re-establish an affair with Sandra, a disturbed young woman. Having found her husband Fabrizio shot dead and her young son Ricky standing beside him with a gun, Sandra suffered a complete breakdown and now lives in isolation with her protective mother. The latter saved the young boy from recrimination by placing the gun in his father's hand, making it seem like he committed suicide. However, things are not what they seem...

A chief police inspector investigates the disappearance of a 25-year-old woman, the daughter of a lonely widower. After she turns up dead, the cops race to find the killers before the grieving father does