Locked away in the Jewish ghetto of an occupied Ukrainian town in 1941, a mother revisits her life in a last letter to her son. In 1941, a Russian Jewish woman doctor lives in a Locked away in the Jewish ghetto of an occupied Ukrainian town in 1941, a mother revisits her life in a last letter to her son. In 1941, a Russian Jewish woman doctor lives in a small city in the Ukraine just seized by the Germans. She writes a last letter to her son, a famous Russian physicist who lives and works far from the front lines at a Soviet science research institute.详情