Under intense pressure and battling a deceitful coworker, Stan, the determined and serious operations manager at a construction company, reaches a breaking point when he discovers he has been unjustly fired by the firm’s authoritarian CEO. In a rash move, he steals one million euros from the company’s safe, discards the key, and rushes away with his fiancée, Marine. However, he soon learns that his dismissal was a mistake and that he is actually being promoted! With only until sunrise to return the stolen money, Stan faces a daunting challenge: the spare key is locked inside the CEO’s apartment. Forced to seek help, he turns to Hippolyte, the most unpredictable locksmith in Paris. What follows is a night filled with unexpected twists and turns!