Hing Lung (Jackie Chan) is a young boy living in a small village with his grandfather who teaches him Kung-Fu but he is not allowed to perform their Kung-Fu to others. Jackie, though beats up some villains to act as the master of a Kung-Fu school which then gets well-known, as an old enemy of Jackie's grandfather shows up and attacks him. Jackie is then trained by another member of the old gang, until he can take revenge for his grandfather's murder.