They Have a Motherland (1949)

Sinopsis

The Great Patriotic War is over, but Major Sorokin and Colonel Dobrygin still have a lot to do for their homeland. They must go to West Germany in order to find and return the children who were taken out of the Soviet Union by the Nazis and are now kept in atrocious conditions under the supervision of British intelligence. Former allies want to grow real spies out of their children.