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.
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.
