Lu Zeyuan, a former national sharpshooter, hid on campus and was forced to return to the world after saving female student Lin Xiaoyu. Faced with the deadly threat of conspiracy and assassination from overseas killers faced by his father's company, he summoned his old troops to clean up the evil with iron-blooded methods. On the journey to protect justice, the tough man's tenderness quietly sprouts. This is a thunderous story in which a retired soldier used his mortal body to build the Great Wall again and fight for his lover and justice.
