May, 1943. Major General Polunochenko assigns Nikolai Kovalchuk, to look in to Veniamin Shabalin, a nuclear physicist. Soon Intelligence learns that the Germans plan to un-install the uranium reactor set up at the Kharkov Institute and take it to Germany. Kovalchuk suggests a risky plan - use Shabalin to enter the institute in German-occupied territory. Russian series with English subtitles.
