Kum Mun Sunya (1987)

Kum Mun Sunya 1987 / คำมั่นสัญญา 1987 / Promise

Sarin is the humble son of a sergeant. He and Chalunda, a woman from a rich family, have good feelings towards each other, but her mother looks down on him for being just a sergeant. In addition, Chalunda is being courted by a handsome rich man and the rich man's sister loves Sarin. (Source: XuongPhim)