The story of Silvio Pellico who was arrested on the charge of carbonarism and conveyed to the Santa Margherita prison, then moved to the Piombi at Venice The sentence of death pronounced on him in February 1822 was finally commuted to fifteen years of jail in harsh condition, and he was placed in the Spielberg, at Brünn (today's Brno).

A Italian short film by Ugo Falena & Ercole Luigi Morselli.