A powerful sorceress in a blind woman's body encounters a man from a prestigious family, who wants her help to change his destiny.

Jung Young Jae is a promising young surgeon, but her cheerful demeanor hides a childhood trauma. The pair are both drawn to a mystical forest in Korea's countryside.

In a mythical land called Arth, the inhabitants of the ancient city of Arthdal and its surrounding regions vie for power as they build a new society.