Jerome, 35, is a yacht salesman in Nice. But if you listen to him, in his spare time Jerome is also an astronaut, a karate world champion and a close friend of Miss Universe. As a matter of fact Jerome is a compulsive liar: he lies to everyone about everything! No one believes him, but that doesn�t prevent him from accumulating more lies. But one day Jerome wakes up to find out that all his lies have come true… and it�s just the beginning of the troubles …!