During a mission to annihilate Tsing Yi Tower, Xiao Ruoshan, the master of Linfeng Pavilion, accidentally kept Feng Wuxia, the fourth guardian of Tsing Yi Tower, who was indistinguishable from his own enemy from himself, and renamed him Hong and incorporated him into the Shadow House to become a killer. However, both of them were involved in a strange murder case five years ago. Unexpectedly, while they were suspicious of each other, they also developed a secret love. Will Hong always stay by Ruo Shi's side, or will he use his power to find out about the destruction of Mingyue Gate and abandon him? What kind of deal does Jiangzuo Chamber of Commerce have with Qingyi House? Where did Feng Wuxia come from? Can Xiao Ruoshi be regarded as an inexhaustible strategy? Where will they belong in the end——