Something obscure is happening to a young married couple in their isolated luxurious apartment- their daily routine turns to an abrupt absurdist game of lost connection.

The most important thing in Liuba's life is her daughter Katia, who plans to move to Kyiv on the eve of her mother's birthday. Liuba's anniversary recedes into the background, because she thinks only of one thing: how to keep her daughter close.

When reformed ex-smuggler Pamfir returns home to his village on the Ukrainian border after working abroad for several years, he’s determined to earn an honest living and set a good example for his beloved teenage son Nazar. But in a town where corruption runs deep and crime and religion are inextricably linked, his plan is quickly thwarted when Nazar sets fire to the local church in a misguided effort to keep him at home. To pay for the damage, Pamfir must take on one last job for a crime syndicate operating a risky smuggling venture in a place where all the rules have changed.

The film takes place during the full-scale Russian invasion of Ukraine. After the Kakhovka dam is blown up, a detachment of Ukrainian soldiers led by a female fighter with the call sign Mara finds themselves in a secret Soviet bunker at the bottom of a reservoir where the USSR conducted human experiments during the Cold War. The consequences of these experiments are still in the bunker in the form of the half-living corpses of Soviet soldiers. Now, in order to survive, Ukrainians need to defeat the Soviet zombies, their own fear, as well as overcome internal disputes and trust each other.