The storyline of Celestial Bane II was described as follows: In the second part, Xiao Ding brought Bi Yao to leave the human world and head to the demon world. In the demon world, they met the leader of the demon world, Demon Lord Chong Lou, and started an intense battle with him. In the battle, Xiao Ding and Bi Yao displayed their martial arts and wisdom, finally defeating Demon Lord Chong Lou and saving the world. At the end of the second part, Xiao Ding and Bi Yao returned to the human world and reunited with their friends. They had experienced many adventures and challenges together, and together they protected the peace and tranquility of the world.