Ning Caichen was a carefree and good-natured man. After experiencing Nie Xiaoqian's incident, he knew that there were monsters in the world, but this did not destroy his belief in the beauty of the world. On the way to deliver the letter, he encountered Gui Hai's knife, was accidentally injured, and was taken back for trial. From then on, he became entangled with fate.
Gui Hai Yi Dao, cold and withdrawn, full of hatred, has a crush on Haitang.