Konstantin Krestosotsev heads a group that solves mysterious crimes. Under his command are the charming psychologist Masha and the forensic expert Morozov, a firm believer in mysticism. Well versed in esotericism and occultism, Krusosotsev is confident that cases from his practice have a rational explanation - be it the living dead or the deadly curse of a famous psychic. However, soon the hero will have to face something truly incredible.