Things take an interesting turn for Tanya and her mother when her father arrives with his foster son Kolya and new wife. This film is about Kolya and Tanya's bright, pure and bitter first love.

A herdsman leaves his flock for the city, dreaming of becoming a cosmonaut, but he is rejected. Working a small job in a film studio, he is singled out for his looks and becomes a stand-in for a star actor.