Playboy Britt Reid (Seth Rogen) becomes the new publisher of Los Angeles’ ``The Daily Sentinel`` after the sudden death of his father. Britt’s party life is about to change when he and his driver and kung fu expert, Kato (Jay Chou), stop a robbery. With the help of Kato, Britt starts a new career of fighting crime as the masked superhero ``The Green Hornet``.