"Le Dabe" retired many years ago and now he lives in the Tropics where he owns stables and horses. He is a very rich man. He was the king of all money counterfeiters. He is contacted from Paris to organize a new job. He says no. But when he finds out the the currency that should be counterfeited is the Dutch florin, he accepts immediat...

The story takes place in the racecourses around Paris. A so-called major sells his tips to naive characters.

Vallois, a vice inspector for the Paris police, takes special interest in the plight of drug-addicted Lucky (Najda Tiller), whom he considers to be more victim than criminal. Taking it upon himself to wean Lucky away from narcotics, Vallois also wins her love -- and, incidentally, smashes the dope ring responsible for her addiction

Bum Archimède wants to spend the winter in prison, but to get there proves not to be that easy.