Zhou Xiao, who was once the top god of war, retired from Jiangcheng due to unexpected changes. After becoming the "brother-in-law" of the Lu family, he was looked down upon and fell into identity disputes and family disputes. Facing the cruel reality and the whirlpool of family interests, Zhou Xiao concealed his true strength while quietly making plans, gaining the trust of his former comrades and wife, and resolving crises one after another with keen insight. Business intrigues, dark forces, and family entanglements emerge one after another, and love and betrayal, justice and revenge are intertwined. In the end, Zhou Xiao not only protected his family, but also regained his dignity, combined his personal destiny with the justice of his family and country, and achieved a comprehensive transformation.