Ambitious Kung Fu Girl(1981)

Spoiled Yuen Si Si, the naive daughter of an affluent merchant, lives her cosseted life dreaming of meeting her idol, the heroic Qin Ge. When her father decides to marry her off, she runs away in search of Qin Ge, with her fiancee in pursuit. What she doesn't realise though is that her kung-fu skills are not what she thinks they are and that the outside world is far less chivalrous that she expected.