Chen Xiaotian disappeared for three years, becoming the "Gun God" feared by the world, and was ordered to return to Jiangcheng to collect his graduation certificate and go to the Qin family to fulfill his marriage contract. He descended from the sky to save his fiancée Qin Qingxue, and shocked the whole school with full marks in all subjects. After the two obtained their marriage certificate, Qin Qingxue was repeatedly kidnapped by the Black Dragon Gang, and Chen Xiaotian rescued her single-handedly, crushing opponents with divine skills such as bullets turning and silver coins blocking bullets. The mastermind Zhao Zhendong was exposed, and Qin Zhenhu handed over the Qin Group to Chen Xiaotian. In the end, global bigwigs gathered at the celebration banquet, and Chen Xiaotian and Qin Qingxue stayed together sweetly.