Directed by Tom Shadyac, Sherman Klump is an incredibly fat and good-hearted man. He is a college professor on the verge of a breakthrough in DNA restructuring when he meets an admirer of his, named Carla, who is a teacher new to Klump’s college. He is enamored of her, but is frustrated by his tremendous bulk. He then decides to test a formula on which he’s been working on himself. The special chemical that turns him into the slim but obnoxious Buddy Love and complications.