What, it would seem, could be more innocent than a women's toilet being renovated? In his booths you can hide from the bustle of the big city, discuss lovers, drink, cry, sleep, smoke and have sex... And you can also hide in it what no one should find. An unknown beauty leaves a disc with information in the toilet. Two gangsters come to collect theirs and 7 stalls in the closet of a fashionable nightclub become the stage for one of the most unexpected stories of our time.

Liuba Vasnetsova lives in a provincial boarding school, dreams of finishing it sooner rather than later and go to St Petersburg to become a stewardess. The future seems bright: after boarding school she receives the keys to a new apartment, with a new life ahead. But on the day of her graduation she learns that she is not an orphan: her father is alive and not dead, as she was told earlier. The girl is shaken and decides to find him.

For two months a serial killer has been terrorizing the city of St. Petersburg. Every Wednesday a girl between 9 and 12 years old is the victim. The brutality of the maniac plunges city residents into horror. Parents are afraid of leaving their children alone on the street. The press reinforces the atmosphere of fear and hysteria.

The life of a characters of this movie can be described as a swing - up and down, up and down; each day, each week...