This gripping historical drama recounts the story of Armenian-born Missak Manouchian, a woodworker and political activist who led an immigrant laborer division of the Parisian Resistance on 30 operations against the Nazis in 1943. The Nazis branded the group an Army of Crime, an anti-immigrant propaganda stunt that backfired as the team's members became martyrs for the Resistance.

Pierre Esteban is a middle-aged technology teacher, divorced from Hélène, who has two children. Jeanne Lancry is a lively estate agent in the same situation : a divorcée with two children. They discover they love visiting empty apartments together and...more than just that! Life would be just wonderful if they were fifteen years earlier. But there are the children. It would be fine to live altogether in the same place. The question is : will the kids get on well with each other?