This story is about Baekseon, a Sangun/g** that rules over the mountain, and a mountain girl named Jaechun who has magical powers. On their journey, Jaechun serves Baekseon as her master, but secretly covets Baekseon's skin at the same time. Although they don't fully trust each other, they are both after a special leopard, a mystical creature that seems to take away people's lives
