Xiao Yi, the god of war of the generation, became anonymous because he was framed and married into the Su family and became the son-in-law. In the Su family, he suffered cold looks and ridicule, and was regarded as a waste. However, when the Su family faced a crisis and his wife Su Wanqing was threatened, Xiao Yi no longer held back, stepped forward, showed great strength, gradually uncovered the hidden conspiracy, and finally regained his glory to protect his family and loved ones. He not only has to face struggles within the family, but also challenges from external forces and former enemies. In the process, he gradually won Su Wanqing's sincerity and recovered his lost dignity and value. In the end, Xiao Yi not only protected the Su family, but also became a hero of the city.