Sam is a young boy in Thailand. Not like other kids who can play happily, Sam has to train everyday at a Thai Boxing gym because when he was small his parents sold him to that gym for money. Everyday Sam undergoes a tough training. But Sam also has a wish. To become a champion so he can taste a happy life. It sounds impossible but a few years later due to an accident he finally gets the chance to meet the champion, who also happens to be his idol!