High-speed toll collector Shen Nianchu notices an abnormality in the rear wheels of the vehicle driven by Lu Jingchuan and insists on an inspection. Station master Shao Zhenhua, along with Wu Xiulan and Wei Shaokang, trace the clues and discover that under the guise of project testing, Lu Jingchuan illegally deployed equipment along the highway in an attempt to cause system abnormalities, shocking Ye Qingwan. Everyone stops them in time and hands them over for processing. Shen Nianchu refuses a job transfer, steadfastly guarding the toll booth and protecting highway safety with one extra glance.