Émilien is fired from his position as a police officer when a dangerous Belgian bank robber tricks him into letting him go. Determined to repair his mistake, the ex-cop, whose wife is away, asks Daniel, a taxi driver, to take care of his son.
But Daniel, who’s already taking care of his own son while his wife is away, drops the boys off at his father-in-law’s house. Daniel and Émilien then team up to find the escaped criminal.