Once made a choice between duty and feeling. After a year, Zhenya cannot decide what is right - to be honest for love or happy with calculations? Santa Claus gives him a very unusual Soviet lawsuit to look at the snow and make a wish. He does not exactly perform, but under one condition.

Life on Earth has changed after the visit of alien ships hovering in various parts of the planet. Their passengers — biopages or "Vitaliki", as they are popularly called — produce a substance called "prak". Its purpose, as well as the purpose of the aliens' visit, is unknown, but nurse Nina (Irina Salikova) from a quiet provincial town hopes to help her sick father with the help of prak. After contacting Vitalik, Nina learns the truth about extraterrestrial beings, which completely changes her life.

A boy falls in love with the girl whose injuries he is responsible for...