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.

Krieg der Unterwelt, Raubüberfälle und immer wieder Tote. Zwischen diese grausamen Fronten geraten ein Mann und eine Frau - beide mit unterschiedlichen Zielen. Rücken an Rücken kämpfen sie ums Überleben. Sie sind einsame Kämpfer gegen die Macht der "Ungreifbaren". Mit selbstmörderischem Mut setzen sie sich zur Wehr. Ihr einziger Bündnispartner ist der Tod ..

Tony, ex agente dell'Fbi, e' chiamato dal questore di Napoli a indagare sui traffici di due bande. Si infiltra tra i fuorilegge, li spinge a scontrarsi mortalmente tra loro, ma si accorge che in tutta la faccenda c'e' qualcosa che puzza.