The film was made and first released about ten years after its source novel "Lagerfeuer" by Julia Franck had been first published in 2003.
Source novelist Julia Franck appears in the movie portraying Französische Geheimdienstmitarbeiterin.
This motion picture's opening title card states "East Berlin, 1975" (German: "Ostberlin 1975").
This film's "West" (German: "Westen") title refers to the former German nation country of "West Germany".
The movie won two Best Actress Awards for Jördis Triebel. They were the Best Actress Award at the Montréal World Film Festival in 2013 and the Film Award in Gold for Best Performance by an Actress in a Leading Role (Beste darstellerische Leistung - Weibliche Hauptrolle) at the German Film Awards in 2014.