Plague, leprosy and black magic...What the people of the Middle Ages feared more than anything else. And suddenly these ancient fears become reality these days. Illon Bowie, leading archaeological excavations in the ancient “plague cemetery”, finds a statue of the Madonna and Child - a miraculous relic that disappeared many centuries ago. However, the priceless find seems to cast a mysterious curse on the city... People die one after another from an unknown disease, and in the vicinity they find the corpse of a young woman who, apparently, became the victim of a ritual murder. Illon and her new friend, pathologist Peter Groot, we are sure that there is a connection between the epidemic and the murder. But to understand what it is, they will have to uncover one of the darkest secrets of the Middle Ages...