روزبه برای تحقیق درباره گذشته پدر کمونیست خود در چک اسلواکی سابق به پراگ می‌رود و با قدم گذاشتن در آپارتمانی که پدرش پنجاه سال پیش در آنجا زندگی می‌کرد، درگیرتحقیقات پلیس درباره حادثه اخیر در آن آپارتمان می‌شود Rouzbeh arrives in Prague, far from his troubled family life in Tehran, to research his father’s past. Visiting the flat where his father, a communist expatriate, lived 50 years ago, in the times of Czechoslovakia, he is stopped by a policewoman investigating a recent accident. The current resident of the flat, Vladimir, who turns out to be Rouzbeh’s half-brother, has fallen out the window. Discovering hidden corners of Vladimir’s life and getting closer to his soul, Rouzbeh learns a shocking truth about his father, totally contradicting the image of a hero he had about him. This puts him on the path which led to Vladimir's fall from the window.