A rich entrepreneur with an irreproachable life is shot dead outside his house with two gunshots. On his body, as a signature, a stone. For the police it's a tough nut to crack, for Crazy Love it's excellent news. Ghezzi and Carella begin their investigations, Monterossi his; while Nadir, a young proletarian looking for revenge, ends up getting into trouble.

• Michele Bravi
• Stefano Gianino