National Guardian God of War Lu Wushuang retires to search for her daughter, only to find her daughter Lu Yao abused by her husband Yang Feng and his family, and nearly given away to powerful figures. Benefactor's son Wang Xiaohu protects her to the death. She puts on her armor again, punishes the four major families, pacifies the Japanese pirates Miyamoto, exposes the Prince of Zhennan's rebellion, and also finds the orphan of Deputy General Wang. Finally, mother and daughter are reunited, Lu Yao and Wang Xiaohu get married, and the country and family return to peace.