어느 한 도시, 어김없이 오늘도 살인 사건이 발생했다. 단서는 오직 여성이 타깃인 점과 몸에 새겨진 의문의 표식. 범죄 수사관 '로스토브'는 현장을 살펴보지만 설상가상 여덟 번째 희생자까지 나타나며 사건은 점점 더 오리무중에 빠진다. 혼란스러움만이 남은 이 도시에 죽은 자들의 영혼을 불러낸다는 묘령의 여인이 등장하고 그녀에게도 새겨진 표식을 발견하게 되는데… 연쇄살인마의 흔적을 따라 아홉 번째 살인은 반드시 막아야 한다!

Petersburg at the end of the 19th century was embraced by a massive enthusiasm for the occult sciences and esotericism. British medium Olivia Reed arrives in the capital of the Russian Empire on tour and gathers crowds of people at her public spiritualistic sessions. At this time, a series of ritual mysterious murders takes place in the city. Girls are abducted on the streets, their mutilated bodies are found in various parts of the city. The investigation is carried out by a young police officer Rostov and his assistant Ganin. With each new victim, things are becoming more confused. Suspicion leads Rostov to Olivia, and he decides to turn to her in the hope that her genuine or imaginary ability to summon the spirits of the dead can help to get on the trail of the killer.