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
Barbara is a journalist investigating the local counterculture who becomes involved, after an unpleasant start of battery and stalking, with Pierre Clémenti's louche all-around dropout.
A humble Milanese window-cleaner with dreams of magazine and TV fame accuses himself of the murder of a soprano from La Scala.
Police believe that a respectable industrialist is actually the head of drug smuggling ring in Milan.