A sobbing Anya resorts to the police, whose insidious girlfriend Luda cunningly took her newborn son and disappeared with him. Artyom, Vadik and Lena are trying with triple energy to help the unfortunate woman find her baby. Fortunately, Mukhtar discovers a recipe from the dairy kitchen in the corner of the room that Luda rented — this turned out to be enough to restore the full picture of the crime...

Khokhlov, the bank's cashier, is cut off by a bandit jeep, and the "brothers" who got out of it are forced to pay twenty thousand dollars. A frustrated Khokhlov shares his trouble with the garage watchman, who offers to pull off a scam with the substitution of real money for fake ones. Khokhlov agrees to load counterfeit banknotes for a large amount into ATMs. Artyom witnesses the seizure of a fake bill from a girl in a supermarket, which he had just received at the store's ATM. Thus, the case falls to Artyom and Lena Brusnikina. Expert Innokenty recalls that only the deceased counterfeiter Filippov could produce such a "masterpiece".