Directed by Piero Pierotti, Carlo Campogalliani | Starring: Brett Halsey, Gianna Maria Canale, Burt Nelson, Conrado San Martín

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.

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