A washed-up Mareilles cop (Auteuil) earn a chance at redemption by protecting a woman from the man who killed her parents as he is about to be released from prison.
       In Mareilles, the discredited and alcoholic Detective Schneider hijacks a bus and forces the bus driver with a gun to drive him home. He is arrested by the swat force and his washed up career in the police department practically ends. Schneider is removed from the investigation of a serial-killer that is committing hideous crimes againt women and assigned to a bureaucratic work in the night-shift in the precinct. Through glimpses from his recollection, Schneider recalls the tragic accident that killed his daughter and left his wife attached to a life support system. Meanwhile, the sick criminal Charles Subra, who killed the parents of two girls many year ago, convinces the probation committee in the prison that he has found God and is regenerated and may be released. Justine, one of the daughter that survived, has never overcome the trauma of her loss and is worried with the possibility of the freedom of the criminal. When Schneider discover the identity of the serial-killer, he...