Yau ching yam shui baau (2001)

Richard Ma (Tony Chiu-Wai Leung) is a tight-fisted, mean and unpleasant character. He's also a wealthy businessman who has become increasingly bitter and mistrustful due to what he believes are the gold digging women in his life. Following a series of events one weekend, Richard's financial assets are temporarily frozen, his house is looted by his ex-girlfriend and he has no cash leaving him helpless and broke. It's during this faithful weekend that he meets Ah Choi (Shu Qi), a struggling financial analyst who is trying to ward off the attentions of an unwanted suitor. By offering his help to Ah Choi in return for financial gain, a most surprising relationship develops between this unlikely pair.