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.

Once in his life, retired intelligence officer and respectable family man Nikolai Nikitin decided to go "left" ... What was his shock when in the girl he was offered in a brothel, he recognized ... his own granddaughter Varya, whom the pimps do not want to let go of their clutches. What to do? Run! Hiding from persecution, the heroes go straight from the brothel to Paris. If only I knew ... If only it were all!

They play tough, masculine games, when the passion of hunting turns into a thirst for profit, paint into blood, fidelity into betrayal, when betting is friendship, and winning is life. One of the three old institute shareholding partners "orders" the fourth - the head of the Bank of Daniel. But even the hired killer did not know about the explosives in the house. And so, after the explosion in the basement, there are three - the killer, the victim and his daughter. When there is almost no air left, and the search engines have already stopped working, Daniel’s mind starts a dangerous game: which of the worlds is fictional, and which one is the real one, the one in which you save your friends, or the one in which friends kill you ... Daniel solves the problem with three unknown ...