Before the young Chen Pi is Er Yuehong’s apprentice, he has become a killer due to a friend’s words, which ends up foreshadowing his fate. Chun Shen, the son of a fisherman, tragically witnesses Pao Tou of Abelmoschus Gang murders his entire family. He turns to Chen Pi and becomes his first customer. This marks the start of Chen Pi’s revenge for Chun Shen.

The Linyuan Pavilion, the library of the Li family that has never been open to the outside world, was suddenly robbed, and detective Bai Fei was invited to assist in the investigation. At the scene of the mysterious secret room, he found that this seemingly ordinary theft was full of dangers, and everyone seemed to be holding a secret that could not be told.