Lin Hao, the great commander-in-chief of Great Xia, has been protecting the country for eight years. On the day he was awarded the title, he learned that his savior Qiao Kexin had been kidnapped. He resolutely gave up his glory and rushed to rescue him. Unexpectedly, he learned that the two had a daughter, Yueyue. He stayed with his wife and daughter as an ordinary son-in-law. While making up for his debts over the years, he successively dealt with forces such as the bullying Yang family and the Jiang family with ulterior motives. Lin repeatedly amazed everyone with his top-notch martial arts and medical skills, uncovered the truth behind the slander of Qiao Kexin, and quelled the hidden danger of the Yang family's secret deployment of troops. After the storm, he relinquished his power and settled down with his wife and daughter.