Bruce Nolan is a discontented TV reporter who believes the entire universe is stacked against him. After a bad day, Bruce flies into a rage and blames God for making his life so miserable. God responds by endowing Bruce with all of His divine powers and challenges him to take on "The Big Job" to see if he can do it any better.

Fletcher Reede is a fast-talking attorney and habitual liar. When his son Max blows out the candles on his fifth birthday cake, Max has just one wish-- that his dad stop lying for 24 hours. When his son's wish comes true, Fletcher discovers that his biggest asset, his mouth, has become his biggest liability.