Boris works as a medical officer in a private clinic specializing in plastic surgery. When he becomes friendly with one of the patients, Ilya, he discovers that Ilya has been mysteriously placed under the private care of the chief doctor who owns the clinic. During one of their conversations, Ilya hints to Boris that the doctor is running an illegal business from the clinic, but Boris does not take this information seriously until Ilya is found dead the next morning. The doctor declares the cause of death to be an overdose, however, Boris begins to suspect foul play after he is thrown out of the hospital for asking too many questions. As Boris prepares to leave the city, he bumps into Oleg and his friend Katya who are carrying Ilya's body to their car. Convinced that the doctor played a part in Ilya's death and is now trying to cover his tracks, Boris returns to the hospital determined to discover the truth.

This incredible story took place on New Year's Eve, December 31, on the birthday of the main character, Mila. Her fiancé unexpectedly left her for another woman, who turned out to be her brother. And on New Year's Eve, Mila's childhood friend proposed to her, and by a strange coincidence, his father made a similar proposal to Mila's mother. Finally, Mila met her biological father, who, after 25 years, decided to get to know her and reconcile with his ex-wife...