Laura, a woman of a certain age with full grown children who, by all indications should be leading a great life, but actually, she appears to have none. She comes from a wealthy family. Laura has made herself a lawyer with a nice practice. Her placid existence comes to an abrupt stop when a young motorcyclist suffers an accident almost in front o her. Laura is made to take the youth to the hospital. The incident will change the way she looks at things. Laura becomes obsessed with the young man that was almost killed.

Franco Sereni, a captain of carabiniers, is dismissed from service for being the proponent of "the law of the gun". He is asked to hold a private investigation of several cases of blackmailing wealthy women. Soon Sereni finds out that there is much more then just blackmailing.

The clash between two detectives and a crook.