The Tender Age(黛綠年華)

Hon Sheung-ying temporarily resides at her classmate Fan Doi-lei's resplendent mansion. Mrs Fan eggs her on to attend a party at which she is raped by a rich businessman. It turns out that Mrs Fan is in fact a procuress exerting control over her three daughters of the ruined family. Hon manages to escape the clutches of Mrs Fan with the assistance of the honest young man Kung Lap-kwan.