I’m looking for a Chinese or Korean movie from the 80s , comedy and kung-fu or karate style. The main characters are a father and his two sons. First son is good, the second son is evil. The father is in a wheelchair, he has white hair, beard and moustache and dressed all in white. The evil son supposedly accepted it but later attacked this father. There is also a girl (maybe 10 years) old and she has an actor buddy(s) who were filming a movie about the mafia and at that moment when there is shooting there is a Jennifer Rush - “The Power of Love” song.
Every help will be appreciated. Thank you in advance. 