The Vow Russian , translit. Klyatva is a 1946 Soviet film directed by Mikheil Chiaureli. It is considered a representation of Joseph Stalins cult of personality.
Varvaras son, Sergei, becomes an inventor, developing the first Soviet tractor with Stalins encouragement. Her other son, Alexander, becomes manager of the Stalingrad Tractor Factory. Stalin leads the people of the USSR in implementing the FiveYear Plans and in industrializing their country, in spite of Bukharins resistance. American saboteurs burn the Tractor Factory, killing Varvaras daughter, Olga.As the Germans threaten world war, Sergei travels to Paris, to warn of the impending danger. The French and the British reject Soviet warnings. As the Second World War begins, the two sons volunteer for the front. At the end of the war, Varvara and Stalin meet again in the Kremlin. Stalin kisses her hand, in recognition of the Soviet mothers contribution to victory, telling her that soon, all that Lenin has foreseen would be fulfilled. ........
Source: Wikipedia