On his deathbed, the supreme dark leader is given an ironic second chance at life. He's reborn as Jinmu, a young disciple of his rival clan, the righteous Mudang. Determined to make the best of a bad situation, he resolves to plunge the clan into corruption and debauchery by becoming their master disciple. Oblivious to this nefarious scheme, the Mudang begin to fall for Jinmu's audacious approach to life and martial arts. Will Jinmu be the Mudang Clan's downfall or just the kick in the pants it needs?