An aimless young man is committed to a psychiatric hospital by his father in an attempt to cure him of his delinquent tendencies.
A woman from a bourgeois family marries a loveless man. She remembers (or dreams?) a life of adventure and smuggling, hijacking ships at night. She is kidnapped by the leader of the enemy gang, with whom she falls in love.
Jo Guardini, now the peaceful owner of a charming inn by the banks of the River Marne, once was a dreaded gangster. The respectful citizen does not want to have anything to do with the underworld any more. Unfortunately, two of his former accomplices kidnap a little girl and decide to hide her in his hotel. What will Jo do : side with the law in the person of inspector Loriot or have a relapse in crime?
