In a dystopian city, where women are merely the possession of men, the 17-year-old Valentina escapes from Zéro’s grasp. Vulnerable and alone, she gets rescued by Alex, the leader of a group of young, strong women who fight together against the injustice in the world.

As the resistance group takes more risks during its operations, Johan discovers there is a traitor among them. Meanwhile, the British are preparing a rescue operation that ultimately went horribly wrong on the morning of March 3, 1945.