
A gang of robbers takes possession of a load of diamonds.. Only one of them, Mark Lemmon, is arrested and sentenced to life imprisonment. But before being captured, the gangster had managed to hide the loot in a sewer. Five years later, Mackenzie, an insurer, pretending to be a mafia boss, assigns three petty criminals to arrange his escape. Once free, Lemmon finds the booty but now he has to deal with his new 'partners'.

Al Cliver
Michael Teague

Carole André
Nicky Stone

Claudine Auger
Maggie Vanderberg

William Berger
Mackenzie
Francesco Casaretti
Frank Derosa
Nick

Tony Di Mitri
Dr. Alfred Houseman

Mariangela Giordano
Sandro's lover

Edmund Purdom
Professor Vanderberg

Gabriele Tinti
Sandro Vincenzoni

Fausto Tozzi
Mark Lemmon

Mad Dog Killer
Mad Dog Killer

Gang War in Milan
Gang War in Milan

Special Killers
Special Killers

The Police Serve the Citizens?
The Police Serve the Citizens?

From the Archives of the Criminal Police
From the Archives of the Criminal Police

Slaughter Day
Slaughter Day
The Sicilian
The Sicilian

Rome, Armed to the Teeth
Rome, Armed to the Teeth

Night City
Night City

Crime on a Summer Morning
Crime on a Summer Morning

Violent Naples
Violent Naples

Savage Three
Savage Three