Four high-school friends who always misbehave and never focus on school. When the time for their college entrance exams comes along, all of them decide they'll need some special help in order to pass. They visit a holy banyan tree and pray for themselves to easily pass the exams.

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.