Haunted by the torture he endured in a Nazi POW camp during World War II, 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 with falsified death certificates are brought to justice. In his quest for revenge, Morel must find redemption, or risk becoming the very monsters he hunts.