With the help of student assistant Boris and stolen university equipment, Dr. Harry Wolper plans to clone his dead wife. But then he meets Meli, an egg donor for his experiment, and they fall in love. Faced with choosing between his deceased wife and Meli, Dr. Wolper sees his situation in a new light when Boris' own new love, Barbara, falls into a coma. Meanwhile, another professor tries shutting down the cloning project.

John Arnold DeMarco is a man who believes he is Don Juan, the greatest lover in the world. Clad in a cape and mask, DeMarco undergoes psychiatric treatment with Dr. Jack Mickler to cure him of his apparent delusion. But the psychiatric sessions have an unexpected effect on the psychiatric staff and, most profoundly, Dr Mickler, who rekindles the romance in his complacent marriage.