The Northern Desert is celebrating the Qihan Festival when Chang Ge and the others arrive. On the capital's order, all the tribes in the desert is prohibited from selling purple gromwell. Tu Jia, the princess of the Southern Desert gives them the idea to gather purple gromwell during the ritual of chasing away the God of Misfortune. Just when Chang Ge and the others are getting ready to go back, they are stopped by a group of people.
