At the center of the events of the Russian detective mini-series "The Devil's Bath" is the story of a young woman named Ekaterina Solovyova. She is the owner of a small art gallery in the Northern capital of Russia. Suddenly, Katya finds herself in possession of a painting by a famous artist from the Northern Renaissance era. The history of this artwork is very mysterious, intertwined with many secrets and legends, the main one being that the mystical canvas takes away people's lives.