This documentary presents a neglected aspect of World War II and a tragic legacy of the Cold War: the saga of the Koreans who spent 50 years on Sakhalin Island. Koreans were brought by the Japanese to the island as forced laborers during the war, only to be abandoned to the Soviet Union in 1945. Forgotten by everyone including their own country, less than 1,000 remain of the original 43,000 laborers. It is a universal story of displaced peoples whose lives were assigned to oblivion as the power struggle unfolded in the latter part of the 20th century.
Source: https://www.youtube.com/watch?v=m2TjvciKyr0