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Can it be that nasty Louie (Danny DeVito) is on the verge of reformation? Nervous about an upcoming gallstone operation, Louie promises god that he will mend his ways if he pulls through. The operation is a success, and Louie is as good as his word -- or so it seems. Before long, the skeptical cabbies are placing bets as to how long it will be before Louie reverts to his old obnoxious self...and with real money involved, they're determined to goad the little weasel to the breaking point.