Britt Reid (Seth Rogen), who lives a life of luxury, has to start running a huge newspaper group after his father suddenly passes away. However, the appearance of Kato (Jay Chou), an employee of his father, completely changes Britt's life. Kato can not only grind delicious coffee, but is also a karate master. What's more amazing is that he is an excellent mechanic. Kato built an indestructible chariot "Black Beauty". Since then, the two of them have been driving "Black Beauty" and the name of "Green Hornet" to fight various crimes in Los Angeles under the night. The name of "Green Hornet" has become popular, and the newspaper group has also seen a significant increase in circulation due to the extensive coverage of various news about "Green Hornet". However, in order to win the favor of the beautiful secretary Lenore (Cameron Diaz), the two men have a knot between their hearts and eventually break up. The actions of "Green Hornet" threaten the power of Los Angeles underworld boss Chadnovsky, who decides to eradicate "Green Hornet" at any cost. As the crisis mounts, the truth about Britt's father's accidental death gradually surfaces. Whether Britt and Kato can join forces again to punish evil is exciting... The story of "The Green Hornet" originated in the United States in the 1930s. In the 1970s, Chinese-American movie star Bruce Lee established the foundation of his acting career with the TV version of "The Green Hornet". This is the first time that "The Green Hornet" has been adapted into a movie, and it is also the Hollywood debut of Chinese star Jay Chou.