For fun-loving party animal Ben Stone, the last thing he ever expected was for his one-night stand to show up on his doorstep eight weeks later to tell him she's pregnant with his child.
Dave is a married man with three kids and a loving wife, and Mitch is a single man who is at the prime of his sexual life. One fateful night while Mitch and Dave are peeing in a fountain, lightning strikes and they switch bodies.