The EXO clan had a group of skilled fighters that was comprised of twelve members: Kai, Kris, Luhan, Xiumin, Tao, Lay, Chen, Chanyeol, Suho, D.O., Baekhyun, and Sehun. But that all changed one horrible night in 1678. A night they will never forget... Now they have divided into two groups: EXO-K and EXO-M. The two groups are fierce rivals that desire vengeance on the other. But will the appearance of a young girl be the turning point that allows them to reconcile? Or will she fuel the burning vengeance?

Story about a girl, the tree of life and the twelve handsome wolves.