The Unwritten Law is one of the most acclaimed works for Andy Lau. As a newcomer for the movie industry, he co-stared with one of the most experienced actress Deanie Yip and with his excellent and natural performance, he and Deanie had shown us the most touching and tear-drawing mother-and-son relationship. With a story talking about a low-class prostitute being framed to murder a young, rich businessman, it has voiced the condemn of the grass-root level towards the unfair treatment to them.

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