Translate the text into English. A young Li Fun, a gifted kung fu fighter. After a family tragedy, the guy is forced to move from Beijing to New York with his mother. He finds it easy to part with his kung fu training and his past life. Li meets a girl named Mia at school, and later her father Viktor, a former boxer. Because of the relationship that develops with the girl, Li becomes the target of her ex-boyfriend Connor, a local bully and karate champion.