A sudden change on a rainy night: Shen Zhiyi, an orphan from a poor family, sneaked into the palace under the guise of an embroiderer. After witnessing the assassination of the prince on a rainy night, she was accidentally involved in the vortex of conspiracy and was forced to take on the identity of a beautiful lady who fell into the water.
Double-faced prince: Xiao Mingyi, a dandy prince who is addicted to wine and sex on the surface, hides exquisite swordsmanship and court intrigues, and uses his tricks to make Shen Zhiyi a pawn.
Bloody Chess Game: The bloody memorial in the secret grid of Qingluan Palace reveals the corruption case of the Ministry of Revenue three years ago, and the truth about the bizarre suicide of the prince and the tutor gradually comes to light.
Misplaced life: Shen Zhiyi discovered that the beautiful girl he replaced was actually a key witness in the family murder case, and the jade pendant he carried resonated with the blood letter in the secret room of the East Palace.
