Fate According to the Book of Changes

Mania Polivanova, also known as the famous writer Marina Pokrovskaya, is forced to help her aunt Emilia, and it's simply a martyr's agony because Emilia is a renowned psychic, while Mania doesn't believe in clairvoyance or witchcraft at all! However, her aunt's predictions strangely come true, the problems of her clients get resolved, which cannot be said about the psychic herself: she dies! Upon discovering Emilia murdered, Mania takes it upon herself to find the criminal, but how can she do that without the gift of clairvoyance, detective skills, or even reliable assistants? However, the aunt said that help would definitely come...