Giovanni Bertone a former colonel, is a fraudster who extorts money from the families of the Nazi-Fascist prisoners. He promises them their freedom. Discovered by Colonel Muller he is offered a pact: to save his life, he must go to Milan with a false identity to discover the members belonging to the Resistance.
In an authoritarian police state, a charismatic schemer is fired from his job as a secret-police informant, conjures up his own imaginary spy network and builds up an archive that he turns against his former masters.
