Near future. Lera Arabova is a 15-year-old girl who lives with her family in Vladivostok. Lera's father has been working at the orbiting space station "Mira" for many years and has long lost contact with his daughter, turning only into a voice on the phone. After a meteor shower hits the city, Lera has only one chance to save her loved ones and the city from a new disaster. Her father helps her in this - through satellite surveillance systems and the telephone, he uses every opportunity to send a message to his daughter, watching from above from the station her every step.

Trying to hold the lead in the Space Race, the Soviet Union is preparing two cosmonauts for the first spacewalk.