Bruce Nolan (Carrey) is a newscaster unhappy with his lot. As one disaster follows another Bruce is fired from his TV station and beaten up by a gang of thugs. Furious, Bruce rails and rages against God who challenges him to take on the big job and see if he can do any better.

Once Bruce convinces himself that he's not dreaming, he proceeds to utilise his infinite powers now at his disposal for his own amusement and advantage. Finally, he finds himself at a crossroads: to become the biggest and most powerful jerk in the universe or find a little bit of humanity...