Lhong Fai 1990 on netflix

Because she was poor and was sexually abused by her uncle, Kaew decides to quit school and work as an escort girl. Her boy friend goes to work out of town and keeps sending her money regularly, hoping that she would save it for their marriage. Kaew is very happy with her work and enjoys being with many different wealthy men, until she meets Chol, the son of a millionaire, who has never worked and is addicted to gambling.