According to legend, hundreds of years ago, a unique diamond was stolen from the temple of the Chima Indian tribe, which adorned the statue of a ruthless deity demanding bloody sacrifices. Since then, the stone has brought only misfortune to its owners, but, despite its notoriety, it has been fanatically hunted at all times. Nowadays, St. Petersburg housewife Nadezhda Lebedeva witnesses a number of strange events that make her believe in the legend of a unique artifact and become involved in his search.