In the Kingdom of Silla, ghost stories begin to bleed into reality, spreading fear across the land. Seolyeong, a hwarang accused of causing the terrifying occurrences, is determined to solve this mystery and clear his name. That is when he meets Jaha, a former leader of the hwarang who now harbors demonic energy. What dark secret is Jaha hiding? Without an answer, Seolyeong continues his journey to lay every wandering spirit to rest, unaware that the soul most in need of his help is close by…