The story takes place in the late Ming and early Qing dynasties, when the Qing army and Zheng Chenggong's anti-Qing and restoration army formed a tug-of-war in southern Fujian. With the connivance and support of foreign invaders, pirates of unknown nationality and the remnants of the red hair colluded with each other on the southeast coast, taking advantage of the fire to rob merchant ships at sea or harassing the people on the shore. The sea was turbulent and people's lives were difficult. The film focuses on the story of General Lan Li (1647-1720) during the Kangxi period (his life story was selected in the "Draft History of Qing Dynasty"), who worked hard, practiced hard, fought pirates, joined the army and pacified the vassal states in his youth, and later became a famous general in the history of the Qing Dynasty, and won praises such as "God of War on Land and Sea", "The First Meritorious Service on the Platform", "The Copper Pillar Sea Frontier Has Made Great Achievements, and the Iron Armor Military Strategy Has Been Well-known", "Brave and Simple, Invincible" and other praises, laying a solid foundation for life.