
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.
Brigadier Gargiulo

Enzo Liberti
Otello 'Er Pinna' Santi

Marino Masé
Enzo Nardelli

Angelo Pellegrino
Procurator Luciano Canuti
Enrico Luzi
Moretti

Renato Mori
Police Commissioner Galbiati

Leo Gavero
Judge Laurenzi

Bombolo
Venticello