Qui perd gagne!

Ce film ne vous dit pas comment gagner au loto. Il vous dit comment gagner 2 fois au loto.

Serge Vaudier, a mathematics teacher, wins the lotto twice and claims he can do it again, thanks to an infallible system he has designed. Is a he genius or a con man? Angèle, the head of the the government's bureau, is determined to entrap him. She asks her secret lover, Jacques Loriot, an expert player in the casinos, for help.