Usman, a daring cop from the Parisian suburb, and Francois, an ambitious metropolitan police officer are joining forces in the investigation of the murder of a prominent official's wife. Usman and Francois are different. Usman lives by the laws of comedies with Eddie Murphy, Francois adores Belmondo in "Professional" and "Lethal Weapon". But the difference in tastes in movies is nothing when a loud exposing corruption in the uppermost circles is at stake and, of course, the friendship! One plus one equals a team, and jokes aside!