Pia dei Tolomei agrees to marry the Ghibelline tyrant of Siena for political reasons, but her heart belongs to Ghino Perticari. When Ghino finds out about the Pia's marriage he tires to elope with her. But the heroine is locked up in a tower. Ghino arrives too late to save her.
Jacques Sernas, Ilaria Occhini, Arnoldo Foa', Bella Darvi
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