Xiao Jin, the former God of War, was framed and forced to remain anonymous and marry Murong's family, becoming a despised son-in-law. In Murong's family, he suffered a lot of looks and ridicule, but in order to protect his family, he endured everything silently. By chance, he discovered the mastermind behind the plot that framed him, and gradually uncovered the truth of the conspiracy. At the same time, border wars broke out again, and the country needed him. Xiao Jin made a choice between protecting his family and the peace of the country. In the end, the king returned, put on his armor again, defended the dignity of the country, and brought those who had framed him to justice step by step.