The Zhou Clan is the most powerful clan in the Northern Lands. The main branch of the family is extremely rich and powerful, and its members live carefree and lavish lives, with access to anything they could ever hope for. The other branches spend their lives in servitude to the main branch, in a state of existence close to that of slaves. Zhou Yi is one of the members of the branch family, and his life is one of perpetual work and submission, only wanting to get away from it with his girlfriend Xiao Qing. After a sequence of tragic events, he will take up a legendary spirit blade and embark on a path to vengeance in order to hunt down those who destroyed his hopes and dreams of a peaceful existence...