The film tells the story of a special operations platoon captain Zhou Yang (Chen Xingxu) of the Southern Theater Command of the People's Liberation Army and Xiao Ke (Li Ruichao), captain of the special police brigade of the Kangla City Public Security Bureau, who participated in a joint operation to combat border crime. However, they encountered the tragic death of their comrades and fell into deep anxiety and self-blame... When facing a counterattack by the underworld forces, the two decided to join forces again. A battle of common hatred and common enemy is about to begin, and the ultimate showdown between justice and evil begins...