Daniel, a fatherless teenager, arrives in Los Angeles from the East and faces the difficult task of making friends. He becomes the object of bullying by a gang of karate students when he strikes up a relationship with Ali, the gang leader's ex-girlfriend. Daniel asks Miyagi, a master of martial arts, to help him learn karate. Daniel then prepares himself both mentally and physically for the fight of his life.

To save her ailing father from serving in the Imperial Army, a fearless young woman disguises herself as a man to battle northern invaders in China.