Hotel Angel(1974)

Malee is a farm girl from Northern Thailand who decides to sneak away to Bangkok with her boyfriend, Chate, but shortly after arriving, Chate disappears and Malee finds herself held captive in a "love hotel". To pay for the room, she is forced to sleep with men. Af first, she is horrified by what she must do, but after a time, she becomes resigned and accepts her situation as fate.