Sean Lee is a timid feeble boy who is constantly made fun of by his schoolmates. His mother refuses to let him practice Taekwondo because his father was killed in the ring. After being threatened by gangsters, his mother finally consents to his studying martial arts. Sean enters a full-contact contest and finds he must face the reknowned kickboxer Pichai known as “The Madman,” who killed Sean’s father in the ring years ago. In a climactic showdown, Sean must prove his technique is better than Pichai’s and avenge his father’s death!