Potato (1987)

Innocent Bok-nyeo is sold at 18 years old to an elderly widower who sends her to work in the salt mines. There she is raped by the supervisor. Becoming very cynical about life, Bok-nyeo becomes the mistress of a couple of rich men, Choi and Wang. In this way, she becomes accustomed to the high life. However she panics and takes desperate steps when one of her sources of income is about to cut her off.