Rumor has it that there is a mysterious daughter in the earl's family who is suffering from a strange disease. The earl spends tens of millions to find her a bodyguard. Louis, a young man from a family of demon hunters, received an invitation from the count's housekeeper's wife and started his bodyguard career... A tragic song of blood and tears, the intertwining of love and mission. After learning her true life experience, where should he go?
Concept: Love is the common weakness of all species