Song Woo-Moon is the son of a simple inn owner in the countryside.His body is weak since childhood, and one day, a landscape painting received as a gift from an old Daoist causes his mind to become weak as well.For years, he is teased as being the village fool, and he grows up as nothing more than a pathetic burden to his parents.The day he turns twenty, however, his life changes!Something awakens within him—the supreme martial arts within the landscape painting!