So Siu Siu (1962)

The film opens with a travelogue, showcasing West Lake and the real Mainland Chinese locations used by the film to which only the Left Wing of Hong Kong Cinema had access to at the time. The title character is a young woman raised by her courtesan aunt in the West Lake scenic resort area in Hangzhou. Siu Siu is perused by a local Official, but falls in love with the son of the Prime Minister. They marry, but are separated by the Prime Minister who arranges another marriage for the son. Siu Siu remains at West Lake, where she regretfully uses the desire of the earlier Official to help another of the girls find happiness.