Gosha, Sergey and Polina develop a plan to catch the leader of the "Faceless" during the deal. They decide to use the found diamonds as bait. The operation takes place at the port, where the bandits are supposed to receive the cargo. At the decisive moment, everything goes wrong: the leader takes Polina hostage. Gosha and Sergey risk themselves to save their colleague and complete the case. After the gang is detained, Major Smolina officially returns the partners to serious investigations.