Young soldiers of the Soviet army discover a German treasure. The fourth installment of a war drama about the exploits of Ivan Rodin and his comrades. Winter 1945. The Soviet Army is actively advancing into East Prussia, nearing victory. In the reconnaissance unit led by Odintsov, inexperienced young boys are sent. He decides not to take any risks and leaves them to guard the rear in a small estate along with the wounded Rodin. Unexpectedly, one of the soldiers finds a treasure with precious jewels. The owner of the estate confesses that the Germans left it there. Soon it becomes clear that they haven't forgotten about the hidden treasure.