Set in the Victorian age in the fictional city of Anargal, we follow Arthur Artorias, a man stripped of his past, tortured, and forced to escape into isolation. Thought to be dead, he returns eight years later a changed man, disfigured, seeking answers and pursuing revenge.
Arthur comes to the conclusion that his benefactor is a cold-hearted villain of the highest order, and he may have something to do with his family's death. After confronting him Arthur realizes he's helpless to gain answers and he's also beholden to his benefactor to do his bidding. The benefactor task Arthur to carry out another mission that he just can't bring himself to do.