Moreover, it is easy to explain that Ning Cheng teamed up with Tang Shi to kidnap Nong Xiruo and plot to seize the Dark Origin Bead. The Jiuyixi Inn where Ning Cheng lives is close to Nong Xiruo's cave. Since Ning Cheng is the Qi Dao master invited by the Tang family, why doesn't he live in the Tang family instead of the Jiuyixi Inn?...