When three gifted kids at an isolated idyllic orphanage discover the secret and sinister purpose they were raised for, they look for a way to escape from their evil caretaker and lead the other children in a risky escape plan.
Follows the adventures Sung Jinwoo in a world that is constantly threatened by monsters and the evil forces. In his battles Sung transforms himself from weakest hunter of all mankind to one of the strongest hunters in existence.