What can go on a regular business trip? For example, you will find a huge beast trying to eat you. But you can’t take the vampire Artyom and his companion Tiaria - the reaper of souls - with your bare hands. They go on the trail of a mysterious researcher named Klim Melnikov, who is clearly related to the monster, but instead of answers and Klim himself, they discover new monsters. Step by step, Artem and Tiaria learn that Melnikov is the mysterious creator of monsters. What motivates him? What are its goals? And what role in what is happening is prepared for the partners?