When beautiful Carla Purty joins the university faculty, genetic professor Dr. Sherman Klump grows desperate to whittle his 400-pound frame down to size and win her heart. So, with one swig of his experimental fat-reducing serum, Sherman becomes 'Buddy Love', a fast-talking, pumped-up, plumped down Don Juan.
Eleanor Shellstrop, an ordinary woman who, through an extraordinary string of events, enters the afterlife where she comes to realize that she hasn't been a very good person. With the help of her wise afterlife mentor, she's determined to shed her old way of living and discover the awesome (or at least the pretty good) person within.
On her deathbed, a mother makes her son promise never to get married, which scars him with psychological blocks to a commitment with his girlfriend. They finally decide to tie the knot in Vegas, but a wealthy gambler arranges for the man to lose $65K in a poker game and offers to clear the debt for a weekend with his fiancée.
