The Magic Legs(1988)

When Jia-Tai and his father discover that a Buddhist temple is a trap for kidnapping women and selling them into slavery, they are attacked by the gang led by Black Shark. Strong as they are, they are no match for his kung fu and Jia-Tai`s father is killed. His last message to his son is the find those who can teach him the magic legs kung fu, the only style strong enough to beat Black Shark.