A young neurosurgeon inherits the castle of his grandfather, the famous Dr. Victor von Frankenstein. In the castle he finds a funny hunchback, a pretty lab assistant and the elderly housekeeper. Young Frankenstein believes that the work of his grandfather was delusional, but when he discovers the book where the mad doctor described his reanimation experiment, he suddenly changes his mind.

When frustrated movie studio mogul Adolph Zitz announces a talent search for a romantic leading man to rival the great Rudolph Valentino, thousands of hopefuls decend upon Hollywood. Rudy Valentine, a neurotic baker from Milwaukee, knows little about romance or acting. But when his wife leaves him for the real Valentino, Rudy goes to outrageous lengths to win the role of a lifetime and win back the love of his life.