Hanna and Erik are reunited in Berlin, where they hide out with his old army friends and she learns more about her father's past. However, Hanna continues to long for the normal life she glimpsed with Sophie and becomes increasingly frustrated at the restrictions her own father imposes on her. Sensing Marissa is closing in on them, Erik and his friends begin to prepare for an attack.

Erik is holding Marissa prisoner, trying to negotiate a deal to get him and Hanna safely out of Berlin. Meanwhile Hanna hides out with Dieter and his family. Desperate to know more about what her father is up to, Hanna discovers a huge secret in her own past. As an escape plan begins to form, Marissa attempts to make her own.