Rolando, who was close to marrying the daughter of the Doge, is condemned after a highly unfair judicial process and locked up in Venice. Digging a tunnel with the aid of his cellmate, Rolando succeeds to escape.
Director: Carlo Campogalliani, Piero Pierotti
Screenplay: Oreste Biancoli, Gian Paolo Callegari, Carlo Campogalliani, Piero Pierotti, Manuel Pilares, Duccio Tessari
Producer: Luigi Carpentieri, Ermanno Donati, Piero Donati, José María Rodríguez
Director of Photography: Rafael Pacheco, Luciano Trasatti