East Germany. Summer, late 70's. Three years after her boyfriend Wassilij's apparent death, Nelly Senff decides to escape from behind the Berlin wall with her son Alexej, leaving her traumatic memories and past behind. Pretending to marry a West German, she crosses the border to start a new life in the West. But soon her past starts to haunt her as the Allied Secret Service begin to question Wassilij's mysterious disappearance. Is he still alive? Was he a spy? Plagued by her past and fraught with paranoia, Nelly is forced to choose between discovering the truth about her former lover and her hopes for a better tomorrow.