Lin Mu was a common boy living in a small town, ostracized by the townsmen because of a mistake he made during the harvest, his house seized to compensate for it. Forced to fend for himself in the outskirts, he finds a rusty ring embedded in the tree where he always used to play as a child.

Witness his story as the mysterious rusty ring changes his destiny forever, opening him up to a world he would never have experienced, people he would have never met, and powers he would have never had.