A black-out occurs during the meeting of a gang of criminals. When the light is back one of them is found killed with a stab on his back and all the clues point to a penniless man who had an argument with the victim a short time before the murder.

• Cinemaster
• Tomas Milian
• Marina Ripa di Meana
• Bombolo
• Angelo Pellegrino
• Roberta Manfredi
• Maurizio Gueli
• Marino Masé
• Enzo Liberti