en Cuevana 3. The life of a small Siberian village totally depends on the breeding of reindeer. With the advent of new times the wolves have started to behave cruelly. They decimate the reindeer herd by sucking out their blood, not by killing and eating them. They just leave the bodies there. The shepherds ask Nikolai Szergeievich (who is generally believed to be the offspring of shamans) to help them.