 Montano s corpse is found after being kidnapped by Maurice. The police think then to use the same ways criminals use and to infiltrate Tony Lo Bianco in the gang. Tony is a former FBI agent sent back to Italy for many crimes. Police Superintendent Ferrari disagrees but Tony begins his operations and meets Paulette, the Maurice s daughter. Tony and Paulette find out that perhaps Maurice is not responsible for Montano s death and they discover they have to start a real battle to save their lives.