Avenir Zak

When radio signals reach Earth from a planet in a far distant star system, the starship Dawn is readied for immediate dispatch to search for signs of intelligent life. But as the ship will take decades to reach the planet, a young inventor proposes that a group of the best and brightest schoolchildren be sent in place of adult cosmonauts, as they will reach the planet in their prime of life. But naturally, things don't go quite as planned... (mubi.com)

Interstellar expedition equipped by "pioneers"(soviet scouts) reached Alpha Kassiopea and found that smart robots took control on hole planet. Their only goal - to make happy , as they understand, their masters. (imdb)

The pilot Losev, who lost his family during the war, learns that his daughter has survived the bombing, and sets out to find her. The protagonist will meet many people before the familiar tune of the lullaby will help him to understand that the chance fellow traveler is his daughter. (kino-teatr.ru)

The Soviet government sends an expedition under the Siberian Ardybash river, where, according to local residents, there is gold. Expedition members fall into the hands of the White Guards. (imdb)