And again a heroes of "Yolki" series are ready and prepared for a New Year.

One Monday morning Katya, Vika and Zhanna learn that there will be a school disco, their first disco, on the coming Saturday night. The girls feverishly start preparing for the event, which rapidly becomes the most important moment ever in their universe, and looks like the ideal way to escape their daily lives...

Major Baranov, a professional with a difficult character, for excessive zeal suspended from service and toiling on small jobs. Suddenly, he was offered to participate in the operation to expose a dangerous criminal who escaped from prison. And all would be well, but in the case is too many pitfalls: the major will have to go to a small town, get a teacher in kindergarten, and even conduct an investigation under the leadership of a woman…

A heroes from the first movie now are involved in high politics.

1927. Trans-Siberian Express. Secret documents that will determine the future of the USSR and China are being transported across Russia. Under the guise of ordinary passengers, foreign intelligence officers and real thugs are hiding, ready to do anything for the sake of documents. A young Red Army soldier and a former Tsarist agent have to team up to uncover a common enemy.