The Mad Demon, Ja-Ha Lee, dreams of becoming the God of Martial Arts. Unfortunately, his dreams are dashed after he falls off a cliff while running from the Demonic Cult for stealing the Jade of Heaven. Yet this is not the end for Ja-Ha -- he awakens from the fall to find himself back in his 20s. With his knowledge of the future and of martial arts, he now has a chance at revenge and at getting life right this time. Will he be able to fulfill his dream this time around, or is he doomed to face the same fate yet again? (Source: WEBTOON)