Story about special type of police stationed in the station. Chang Sheng, a policeman at the Pinghai North Railway Station Police Station, was secretly photographed and posted on the Internet during a passenger dispute, and was dubbed a "violent policeman." In the end, investigations could not prove it, but Chang Sheng was sent to Langwopu, the farthest station which also happened to need manpower. Adapted from the novel "Zhu Zhan " (驻站) by Xiao Zhong (晓重).