Lin Xiantang escaped from the Lin Mansion when he was ten years old, was adopted by He Yuelou, and became a spy for Ye State's largest intelligence agency.
This time, her mission is to sneak into the mansion of Liu, the richest man in Wenzhou, and find an account book that hides shocking secrets.
Unexpectedly, strange things happened in Liu Mansion. A female ghost screamed late at night, and bloody handprints appeared frequently on the windows. Everyone was in danger. The two sects of Jianghu and Jianghu were invited to investigate the case on the surface, but in fact they had their own agendas. And the cold and taciturn young hero Su Xiran seems to have set his sights on her.
What was even more troublesome was that before the account books were found, she bumped into another "gentleman" who visited the study at night.
In the Twelve Courtyards of Liu Mansion, there are spies everywhere and traps at every step. Is the female ghost a human or a demon? Where are the account books hidden? And Lin Xiantang's own life experience quietly surfaced in this undercurrent... [No fantasy setting]
Intention: If you stand by and watch, you will not be able to enter the world.