The Prodigal Son (1982)
(Bai ga jai)
"Kung fu Kung-fu movie about a spoiled youngster, Young Leong Tsan, who hates books and conventions but is obsessed by martial arts. His rich father dotes on him so much that handsome payments are awarded to people who manage to lose gracefully to his son, and Young Leong soon comes to think he is the best fighter in Canton." -
imdb.com
Czubek
PS Your English leaves no room for criticism!
The wing chun styles here that they demontrated is not a wing chun style..altough its a lil bit desame from the real one..because they know that people will copy the techique that is showed here..they made it fiction..and pherhaps..luk at the WING CHUN STANCE they demonstrated here...what if u moved? what will happen to ur stance?..just observe it..u know..^_~