The TV series "Anna and the Secret of Poisons" tells the story of another high-profile case from the professional experience of detective Anna Shtolman. This time, the victim of the crime is a client of the famous Zatonsk psychic, Sofia Mukhina. The woman mysteriously dies at the moment when the "witch" is casting a spell on her. Anna and her steadfast partner, Sumarokov, do not believe in such mystical coincidences, especially since a rare poison is found in the victim's blood. But did the "witch" really orchestrate the crime?