Liar (2009)

Antoine, 25, quit his job. His relatives have always treated him like the family idiot. That's why he pretends to be still an employee, fearing that they will laugh at him. When he learns that his younger brother has received a new car from his employer, Antoine wakes up. He too wants to be appreciated. He launches headlong into the search for a job that could impress his father. But, realizing that it is not that easy, Antoine waltzes from one lie to another.