Pietro Zinni is asked by the police to revive the old gang to create a task force that will stop the spread of smart drugs.
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.
Three brothers pretend they're ghost hunters to inherit from their father.
