Stepan and the Cossacks continue to save the tsar, facing new obstacles during the Time of Troubles, while Mnishek and Nazar step up their game to change history. In the future, Churila, Pop and Amira face a new reality and confuse the police more and more.

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.