The story of this film takes place during the Jiajing period of the Ming Dynasty, when Japanese pirates were rampant and pirates were rampant, causing unbearable suffering for the people of the southern coastal areas. This film focuses on the famous anti Japanese general Yu Dayou and tells the story of Yu Dayou in his youthThe story of discovering the tricks of Japanese pirates and pirates, bravely fighting against them, and defending the people and the territory of the Ming Dynasty expresses a strong sense of patriotism and national pride. In this story, the young man Yu DaYou went through a transformation from immaturity to maturity. When he was young, Yu Dayou only wanted to become famous and a great hero. In his struggle with pirates and Japanese pirates, he gradually understood the meaning of life. The so-called great heroWhen serving the country and the people. The long sword refers to helping the world.