I am a good young man in the 21st century. I accidentally dressed up as Xiao Yuechu, a liar who neither father nor mother loved. In order to overturn the case of my adoptive father who was wrongly imprisoned, I pretended to be a certain daughter and sneaked into the mansion of Mingzhou Observer Cui Feng. During the investigation, Xiao Yue used modern thinking to unravel the ancient mystery, and even revealed the shocking shady story of Cui Feng exploiting the people and conspiring to rebel. She deals with Prince Li Chengyi, who is absurd on the surface but unfathomable in reality, and Cui Mingyuan, the eldest son who is obsessed with her but likes to wear women's clothing. She must not only keep tight the vest of "a noble girl", but also use modern skills to track down the truth...
