Tricheurs

"Elric (Jacques Dutronc) and Suzie (Bulle Ogier), two gamblers drawn to each other in a casino, become embroiled in the world of professional cheaters. As they team up with Jörg (Kurt Raab), a master cheat, their method involves moving from place to place, exploiting loopholes, and using clever tricks like radio-controlled balls to beat the system."