Adventure set in Iraq on the eve of the battle for Mosul in October 2016. As the war against ISIS, the leader of elite commando group 45 of French Special Forces captures notorious French jihadist Zaid Osman. The prisoner agrees to cooperate on condition that his family are extricated from their position at the heart of where the mass attack of coalition forces is about to take place. 

The team are under pressure to move Zaid to Paris, so they have to act quickly. Hilaire is tasked with finding an Argentinian doctor who left an NGO abruptly two years earlier.