Has been an year since Pietro Zinni's gang got caught in the Sopox production laboratory and each of them locked up in different jails. From Regina Coeli jail, Pietro keep warning the authorities a fool syntetized nerve gas and he is ready to make a killing, but no one takes him seriously.
Edoardo Leo
as Pietro Zinni
Valerio Aprea
as Mattia Argeri
Paolo Calabresi
as Arturo Frantini
Libero De Rienzo
as Bartolomeo Bonelli
Stefano Fresi
as Alberto Petrelli
Lorenzo Lavia
as Giorgio Sironi
Pietro Sermonti
as Andrea De Sanctis
Marco Bonini
as Giulio Bolle
Rosario Lisma
as Vittorio
Giampaolo Morelli
as Lucio Napoli
Peppe Barra
as Angelo Seta
Luigi Lo Cascio
as Walter Mercurio
