Lieutenant Colonel Yudin instructs Kolosov's group to find a dog named Arturchik, stolen from a wealthy Zhanna Eduardovna. Frolov is offended by such a task, but Kotov and Kolosov take the matter seriously. Semenovsky, the co—owner of a business in common with Jeanne, is under suspicion. Rafe finds out that a gang of kidnappers is operating in the area, luring dogs and injecting them with sleeping pills, after which they demand a huge ransom from the owners. The operatives decide to check both versions.

In a large shopping mall, a gang of intruders removes money from cards using new contactless data reading technologies. Operatives from Kolosov's department are assigned to find the criminals. In hot pursuit, Kotov, Stroganova and Frolov manage to detain a young man who betrays his roommate Valery Zimin. Valery is arrested, and Kolosov reports to Yudin that there is one detainee in the case. Nevertheless, the thefts don't stop there. Moreover, this time the money is being debited from Yudin's own card...