Finding the Motherland(Обретение родины)

The film is about Russian emigration to Harbin and Shanghai and return to Russia. Who were these people, how and how did they end up in China, what obstacles and hardships had to be overcome? How did they manage to organize themselves and obtain Soviet citizenship, and, most importantly, how did their fate turn out at home? Did you manage to start life over again, take place and become a citizen useful for your country?