Retired female special forces cop Zhong Xiaonan is ordered to protect Lin Zihao, the son of overseas Chinese scientist Lin Heng, until he returns to China safely. Coveting the scientific research results that the father and son obtained, overseas plutocrats team up with criminal groups to try to kidnap Lin Zhihao and steal his core data. Joining forces with overseas Chinese cop Pete, Zhong Xiaonan engages in multiple intense battles with the criminal groups, ultimately thwarting the opponent's conspiracy and successfully escorting Lin Zihao back to the country safely.