Corrado Olmi

Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders.

After Cacopoulos manages to save himself from being hung on a false charge, he robs Cat Stevens and Hutch Bessy of a lot of money and steals their horses. This results in a merry chase and Stevens and Bessy become unwilling allies in Cacopoulus' revenge against the people who deserted him and framed him to get their money back.

Cristina is a rich, spoiled princess visiting Rome with her royal parents. The mission of their visit is to marry her off to a super-wealthy corporate type and thereby start to turn around the losses their small kingdom is experiencing in its casino business. These less-than-noble intentions get derailed when Barnaba, a zany bus driver enters their lives and falls madly in love with the gorgeous Cristina. He is nuts enough to succeed in this romantic chase after royalty, as love seems to fuel his determination to rid Cristina of her elitism and to make her see his own irrepressible attractions.