Chun Jinran doesn't mingle in the martial world—he just enjoys occasionally slipping in under the cover of night to "have heart-to-heart talks" with its handsome men for mental gratification. That is, until he meets Pei Xiaoyi, a breathtaking beauty who firmly believes in the inherent evil of human nature. Then come the corpses, the murders, the grudges, and the schemes. And so begins the reluctant involvement of "Detective Little Chun," armed with deductive skills, in a turmoil that engulfs the martial world.