The kidnapping of the one-year-old son of a major businessman Proskurov did not take place. Kitaygorodtsev's bodyguard shot one of the kidnappers at the time of the attack, but the second managed to escape. Now Kitaygorodtsev faces a more difficult task - he has received information that an assassination attempt is being prepared on the businessman himself. Moreover, the killer is someone from Proskurov’s inner circle. There are too many people under suspicion. This means that the bodyguard needs to identify the killer as soon as possible, and even be one step ahead of him...