Anton Momot (Andrey)Tatyana Polosina (Nadya)Andrei ShchepochkinAndrey Tolshin
Having despaired to restore her health by traditional medicine, Nadia persuades her husband Andrei to hike to a radon lake in the hope of a cure. Andrei agrees. On the journey, away from Nadia's harsh father, he plans to tell her that he wants to le for a divorce. But nature interferes with their plans.