General Yun Shu, who is known as the living king of hell, meets Song Huanbei, who approaches 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 tragedy. Yun Shu, an orphan of the Mo family disguised as a man, falls in love with him during the test...