Howie Ratner (Adam Sandler) is a once successful New York gems dealer whose gambling addiction has left his family and career in shambles, and him hundreds of thousands in debt. Always looking for the next big bet, Howie thinks he finally hit it big when he discovers a rare uncut rock of Ethiopian gems, with a very interested high-profile buyer. But the closer Howie gets to finally winning big, the more he is forced to realize he can't keep running from the consequences of his actions.

After five years in prison, Tony le Stéphanois meets his dearest friends Jo and the Italian Mario Ferrati and they invite Tony to steal a couple of jewels from the show-window of the famous jewelry Mappin & Webb Ltd, but he declines. Tony finds his former girlfriend Mado, who became the lover of the gangster owner of the night-club L' Âge d' Or Louis Grutter, and he humiliates her, beating on her back and taking her jewels. Then he calls Jo and Mario and proposes a burglary of the safe of the...