 Victor Sadini and his wife Irene help Hugo, a simple-minded young runaway. Sadini is a circus magician and Irene his assistant. She s also having an affair with George, a high wire performer. Hugo is quite smitten with the attractive Irene and she manipulates him into thinking that her husband is the devil. She convinces Hugo that if he kills Victor, he will acquire all of his magical powers. Irene, however, pays the price for manipulating the simple Hugo.