Haunted by the torture he endured in a Nazi POW camp, French-Algerian spy Idris Morel is hell-bent on exacting revenge against his captors. With the official sanction of a government colleague, Morel embarks on a one-man espionage mission to ensure that Nazi escapees are brought to justice. In his quest for revenge, Morel must find his own redemption — or risk becoming the very monsters he hunts.