While hiding from the royal authorities, Giacomo Casanova, the famous romancer, encounters his look-alike: Giacomino, a fugitive petty con man. Meanwhile, the Arabian Caliph and his wife are arriving in Venice for a state visit, and she insists on a night with the legendary lover. Through a series of erotic encounters and mistaken-identity comedies, Giacomo and Giacomino make their way back to Venice for their appointment with the Caliph's wife.

During the Civil War, corporal MacDonald from the Cavalry Regiment, is entrusted with a large shipment of gold. Along with the men accompanying him, Mac Donald decides to keep the cargo, and hides it for later rescue. He is the only one who knows where it is buried, but is killed in a skirmish. Now, Lieutenant Pollock will have the mission to find out where he hid the gold