Father and son, managers of a fish market, are at odds with a mafia family because of the gambling debts incurred by their father. Thanks to the carabinieri, the two initially escape an ambush by criminals, but their son will later be found dead. Marshal Rocca will discover that the boy was actually the son of a wealthy entrepreneur and that the man's grandchildren are responsible for his death, eager to grab the entire inheritance.

• Franco Marotta
• Laura Toscano

• Mattia Sbragia
• Sergio Fiorentini
• Paolo Gasparini