 Carloni, a middle-aged detective gets a new mission from his boss: to find out as much as he can about the past of a beautiful young woman called Paola. The orderer is her husband, a wealthy upper-class managing director who has been married to Paola for only a year. The director gets jealous after finding a couple of old photographs of his wife and he wants to find out if she still meets one of her old fiancés.