Karl was born with a very rare gift - he sees all sorts of evil spirits, the existence of which ordinary people do not suspect. Moreover, he has innate abilities to resist these creatures. Where did he get these makings, the man himself does not know. But the mercenary knows for sure, he is a demon hunter. In Kansas, Carla is summoned by Mr. Hagens, his daughter bitten by a strange creature. The demon hunter thought the worker would be an easy walk, but no matter how!