Inside the Chornobyl exclusion zone Grandma Prisa, the family matriarch, consorts with water nymphs, eats a diet filled with hallucinogenic mushrooms, and claims to have personally stabbed 12 SS soldiers to death during World War II. She lives together with her divorced and chronically ill daughter Slava and grandson Vova. Unexpectedly, their measured life comes to an end - Grandma Prisa receives a mystical warning about an impending catastrophe.
