Roberto Biasetti and a friend are unjustly sentenced to sixteen years in prison for murder. The true perpetrator of the crime is a man named Maremmano, who happens to be in the same cell. Released after a partial pardon, he feels indebted to the two men and to Roberto's girlfriend. He returns to prison and confesses his guilt.
Folco Lulli
Franca Marzi
Franco Interlenghi
Piero Lulli
Mirella Uberti
Lauro Gazzolo
Umberto Spadaro
Furio Meniconi
Nino Marchetti
Amedeo Trilli
Aldo Bettoni
Attilio Torelli
Ettore Bevilacqua
Egisto Peyre
Giuliano Mancini
Enzo Maggio