As Ricciardi grieves his beloved housekeeper Rosa, the death of a man in a lottery office leads him to investigate a count and his charming wife.

When Countess Palmieri’s husband is accused of murdering lawyer Piro, she begs Ricciardi for help. Does he know what he’s getting into?

In a murder the obvious culprit is the boxer in love with the victim’s wife. But Ricciardi is skeptical. Meanwhile, Manfred plans to propose to Enrica.

A drama onstage: the famous actor Gelmi shoots his wife during a performance. Someone replaced the blank in the gun with a real bullet. Was it Gelmi?