The heroes arrive in the village, where Mikhail Fedorovich, disguised as a peasant, causes laughter and indignation. A party is held in the village, but everything ends in disaster because of the fireworks. Cossacks and Lena are faced with the need to earn money for a trip to Rostov, meeting thrash streamer Timur, who offers them to participate in the stream in exchange for money.

Stepan and Maria are searching for the missing Mikhail Fedorovich, using a "Lie Detector" and forcing the Cossacks to confess various sins. Lena and the Cossacks hide in her museum, where they conduct an excursion and earn money. However, a chase begins for them, and they escape, having received help from museum staff.