When a kung-fu master and his wife are killed by an army of thai kickboxers led by a former student hungry for revenge, the surviving brother and sister must seek revenge. But neighbor of them is strong enough to take on a whole army of thai kickboxers.
Their uncle takes them to see a distant relative of theirs named Tiger. Tiger is a renown martial arts expert with a big heart. But since the death of his father in a fight, his mother has made his promise never to fight again.
Tiger's mother sends the brother and sister away, knowing that they want Tiger to fight on their behalf. The sister is accidentally bitten by a snake and while she is nursed back to health by Tiger and his mother, a romance blossoms between her and Tiger.
Now Tiger must decide between his promise to his mother and saving the girl that he has come to love.