K.O Description:

Bastien has lived a secluded life since accidentally ki***ng his opponent Enzo in an MMA fight three years ago. Enzo’s widow tracks him down and asks for his help Bastien is her only hope of rescuing Léo, her teenage son, who has disappeared in northern Marseille. Bastien sets out to find him. Along the way, he meets Kenza, a young policewoman willing to do anything to bring down Marseille’s new crime bosses.