Comic, filmmaker, producer, philanthropist ...: who is hiding behind the elastic mask of the ace of clumsiness? Back on a career with twists and turns. It is the face of sluggish people, clowns, children, sufferers, always in the wrong place at the wrong time... From the 1940s, Jerry Lewis enjoyed dazzling public success, in particular thanks to his duet with Dean Martin. But his stint behind the camera, at the beginning of 1960, blurs the tracks and points critics to his legitimacy in proclaiming himself a "filmmaker", despite the extraordinary technicality and originality he shows in his staging.