A man is found hanged after being brutally attacked. Two brothers, one a local cop, the other a military policeman, have to work together. Fifteen years earlier, their father was killed in a tragic accident that killed fourteen workers.

Murders in Valenciennes

Aline never managed to get closure from the death of her 17-year-old son in a street fight. When she sees the assai- lant recently released from prison, she decides to cook up a plan to avenge her dead son. Things go unexpectedly as she gets to know the young man and her determination is tested.