Synopsis："Watch Your Back," the societal and county police crime series, is set in Licheng Railway Station in 2004. It revolves around a series of interlaced and thrilling railway anti-pocket cases. Through the realistic representation of situations of the ensemble in everyday life, it portrays the ups and downs in the lives of various characters such as Peng, Li Xiaolian, Master Fo, Li Tang, and Hua. Witness the forces of good and evil engage in a battle of wits and courage amid the turmoil.