Irène investigates a news item involving Mirreau that appears to be linked to a state secret. At the cabaret "Les Damnés," the Baron discovers that Gisèle has run away. After the tragic loss of a comrade in arms, Gabriel wants to return to Paris to see his son and wife.

En route to free Mazauric, de Clermont is seriously wounded by a German patrol. Djibouti and Gabriel continue their mission without him and unknowingly grow closer to the Übermensch. In the laboratory, Marthe performs the first tests on the new recruit, Aria, a young woman sentenced to death whom she injects with the combat serum.