Yun Shu, a general known as the living king of hell, met Song Huanbei, who approached her as a male lover, while on a mission. Song Huanbei is the leader of Qianji Pavilion, the first intelligence agency in the martial arts world, and is determined to find the murderer of the Mo family massacre. Yun Shu, an orphan of the Mo family disguised as a man, falls in love with him in the test.