In season three, French intelligence agent Malotru has been taken hostage by the Islamic State. Moved from camp to camp, tortured and weakened, he's close to despair. In Paris, the Directorate-General for External Security (DGSE) faces a dilemma: should they use all of their resources to save Malotru, who betrayed the service, his country and friends when he became a double agent working for the CIA?