In the third year of the Apocalypse of the Great Zhou Dynasty, a "shocking murder case" broke out in the capital.
Pei Yuan, the Minister of Punishment, was ordered to investigate the case, but was forced to cooperate with Shen Wangxin, a gangster disguised as a man.
When she found out that all the deceased were poisoned by the strange poison "Laughing Spring Breeze",
When he discovered the secret technique of Medicine King Valley hidden at her fingertips,
A tragedy that has been sealed for twenty years gradually comes to light...
