On her way home, a fashion model, Gloria, saw a man fought against a woman and killed her in a strangely noisy room in the old villa where a German Countess named Greta Stella used to live. But when the police Commissioner, who is crazy about fishing, and his dull assistant go to the problematic villa in the next morning, the villa is perceived to have been empty for twenty years and there seems to be nothing criminal left. And then Gloria asks help from a playboy-typed psychiatrist, Gianmarco Contini, who is one of the eight joint-owners of the problematic villa...