Arrested on suspicion of a hit and run, a succesful architect is put in prison awaiting trial or release. Whilst there he witnesses the grim reality of life behind bars: corrupt staff, corrupt inmates, an inhuman judicial system and the power of the Mafia.

Franco Nero
as Vanzi

Georges Wilson
as Campoloni

John Steiner
as Piro

Riccardo Cucciolla
as Pesenti

Turi Ferro
as maresciallo delle guardie carcerarie

Piero Nuti
as Doctor

Patrizia Adiutori
as MiIena

Ferruccio De Ceresa
as direttore del carcere

Luigi Zerbinati
as Zagarella

Enzo Andronico
as avvocato di Pesenti