Lu Changfeng, the former god of war on the border, was forced to retire due to a conspiracy. He adopted a pseudonym and married into the Su family, becoming a scorned son-in-law. In the Su family, he suffered humiliation, was ignored by his wife, and ridiculed by relatives. But he always held back and silently guarded Su Wanqing. At the same time, the former enemy Zhao Tianlong sneaked into the city, secretly developed his power, and tried to take revenge. While being forbearing, Lu Changfeng also secretly investigated the truth of the year, and gradually showed his strength, helped Su Wanqing overcome the difficulties, and won her heart. In the end, Lu Changfeng returned to the top, smashed Zhao Tianlong's conspiracy, protected his family and country, and won his own glory.