Flower in the Rain

Flower In The Rain is a 1972 Hong Kong romantic drama film directed by Kim Soo-Yong. 
Plot.
A rich girl and her boyfriend run off to Singapore after her father objects to their relationship. Her boyfriend is injured and they run short of money. Unable to find a job, she works in a nightclub and becomes one of the most sought after girls. Her boss rapes her when she decides to quit. Her boyfriend finds out and a fight ensues, in which the boss is killed. In grief, she kills herself by falling off a cliff.