The black and white impermanence Fan Wujiu and Xie Bian are well-known as life-killing gods, but few people know who they were and what they did before they became ghosts in the underworld, and how they got to know each other.
That year, Xie Bi'an, who was only seventeen years old, served as the thief Cao Yushi of the Huainan Kingdom. He was a young man with heroic spirit and a willful mind. The newly appointed King of Huainan, Liu An, encountered a difficult case when he first came to Huainan with his personal bodyguard Fan Wujiu.
After solving the case, Fan and Xie were appreciated by the emperor and transferred to Chang'an. In Chang'an, they were involved in the battle between the prince and the officials of the court.
Gods, ghosts, and evil spirits, and the unpredictable world unfold around Fan Wujiu and Xie Bi'an. Together with their good friend Lang Zhongling Zhou Wenren, and the girl Yan'er who claims to be a god, they will deal with various forces in Chang'an, crush the witchcraft that confuses people, and protect the justice of the world.
Concept: The passionate youthful power of ancient times, the chivalrous young heroic spirit