Saref is a young successful man who dies in his native world. Inexplicably reborn in the body of a younger person in a completely different world, where there is magic and various creatures from the tales of the former world. Forcibly Sa? refa is subjected to initiation, and is now a natural enemy of people and other races. The hero becomes a vampire and must survive in a new world, where an inquisitive mind and a strange System will help. But in addition to the question of survival, he will soon face moral dilemmas and an approaching catastrophe.