The year is 1506 and Duke of Riveria y Fuentes has been sent to Rome by King Philippe of Spain so that he may exchange a title with the Pope for an alliance and a treaty. On route to Rome the Duke is taken prisoner by bandit Duccio and his gang. Upon realizing the Duke’s mission, Duccio makes way for Rome with the Duke’s credentials and meets with Roman nobles and experiences a ravishing night of passion at Lucrecia Borgais’ palace of the Masked Lady. When the real Duke arrives in Rome, the passionate masked lady is shocked to discover that her lover was an imposter.