Two descendants, Yuwen Tuo and Chen Jing Chou, and their plans to recover the Northern Zhou and Chen Dynasties, their respective heritages, by finding several mystical powerful weapons. These weapons also help in closing up the doorway that demons use to enter and wreak havoc in the mortal world. An unlikely friendship forms, yet they are fated to be enemies. Chen Jing Chou's adventures lead him to befriend a lot of different people, such as Yu Xiao Xue and Tuoba Yu'er, while Yuwen Tuo meets Dugu Ning Ke, a supposedly spoiled princess with a mysterious heritage. Their adventures are filled with misunderstandings and emotional entanglements. In the end, will they sacrifice their personal loves for the greater good, and seal up the rift in time?
