Four present-day Russian men dig for Nazi memorabilia at a WWII battlefield. A wormhole lake sends them back to a battle in 1942 USSR.

The whole life of the recent provincials, and now Muscovite Katie - one continuous selfie with a series of celebrities. Any intrigues for the sake of likes, any exploits in the name of “star instagram” status. But, the number of subscribers is still not enough and for the sake of the cherished goal, she goes to St. Petersburg to take a selfie with a mysterious artist who hides her identity, and thereby blow up the Internet. And at this time at the airport, a respectable stranger asks Katya to hand over the usual envelope to an unknown recipient ...