In 1930s Marseilles two small-time crooks decide to join forces when they meet while brawling over a woman. Starting with fixed horse races and boxing matches, they soon find themselves doing jobs for the local gangster bosses. When they decide to go into the business for themselves, their easy-going approach to crime starts to change.

Ralf Milan, a hitman, arrives in Montpellier to kill an important witness. He checks in a hotel without knowing that his neighbour has become neurotic after his wife left him.

The three supermen go to the Olympics and mayhem ensues.