The American Surplus (1975)

An aunt adopts two children, the elder called Deuan is 5 years old and the youngest is called Dam. Both fathers are different. Dam’s father is a black man so she is called Dam (black) as a reference to her skin color. The children were temporarily given to the aunt by the mother. Unable to raise them, the aunt wishes to sell them to a rich lady. The rich lady doesn’t want Dam and buys only Deuan for 3000 baht. She is renamed as Deuan Krai Saen. Dam is sold to a family to become a servant and to be the puppet of the daughter. The story intertwined, as years go by, their fates come cross each other.