How far are we willing to go for peace?
Second Lieutenant Georges Kabla, a graduate of Polytechnique, is doing a traineeship at the Alluets-le-Roi radio centre, which is actually a listening base for the DGSE. His mission? To take care of the configuration of a particularly sophisticated facial recognition software, nicknamed Death Face. But when the latter triggers an alert on a video, events take a different turn. The young lieutenant decides to do a more thorough search. A minute later, the phone rings: the special advisor to the director general orders him to stop everything.
Thousands of kilometres away, assigned to clandestine missions consisting, without official orders, of eliminating French jihadists who must under no circumstances set foot in their country of origin, Maxime Barelli, a captain in the special forces, advances in a permanent battle between what she is and what she accomplishes. But the conflicts surrounding her will soon take on an exceptional dimension when she discovers that a new kind of deadly weapon is being developed. A weapon as elusive as the air and threatening France…