翁维铨擅长拍摄纪录片，他的第一部执导商业作品<行规>，也被称为以「半纪录片」方式拍摄。 。不过<行规>确实是一部剧情片，说的是一个正义澟然的警察，周旋在线人与毒犯之间，希望把大岛枭拘捕，最后却落得悲剧收场的故事。

鬼太监桂德海将楚王及王妃杀死，更追杀世子朱锦，朱锦得青竹叟相救才幸免于难。桂当年与哑巴月仙诞下一女燕燕，桂恐此事外泄，竟派人去杀月仙母女。燕燕得青竹婆相救，带她住见青竹叟及朱锦。朱锦与燕燕相处日久，感情渐深；桂竟利用父女之情，假借燕燕之手杀朱锦......

Taking place in 1941, Love in a Fallen City centers on Pai, a young woman who has been ostracized by her family for divorcing her rich husband. A local match-maker, Mrs. Hsu, takes pity on Pai and decides to bring her to Hong Kong, under the guise of employing her as the Hsu's nanny, but in reality to introduce her to Fan. Pai and Fan seem to hit it off, but Fan's refusal to marry Pai soon sours things. However, as the Japanese begin to invade Hong Kong, the two begin to realize their true feelings for each other.

The tragic story of Fat Cat, a mentally retarded man who endures the mistreatment of the local villagers, and Koko, the idealistic social worker who tries to give him a better life. Koko's battle against ignorance and apathy on Fat Cat's behalf takes its toll on them both.

Yu is a two-armed swordsman who is betrayed by a jealous rival, but initially seeks a life of simple pleasures until an accidental meeting with another patriot sets him back on the road to bloody, brutal vengeance.

1989 film by Clara Law

2011 film by Alan Mak, Felix Chong

A noble swordsman, whose arm had been chopped off, returns to his former teacher to defend him from a villainous gang of rival swordsmen.

1998 film directed by Yonfan