Don Juan arrives in a Spanish town and immediately becomes embroiled in amorous adventures. While looking for love affairs, he meets the beautiful Donna Anna, the commander's daughter, who mistakes the masked cavalier for Don Octavio because of his height and clothing.

Mr. Rossi and Mr. Capelli, co-owners of a successful traveling circus, have a rivalry over the affections of the lovely Dolores. That's all settled after Rossi is mauled to death by a lion. Years later a series of accidents, attacks and mysterious deaths plague the circus.