Fah Hin Din Sai (2007)

Hin and Fahsai, spoiled heirs of a wealthy tycoon, look down on others until they meet Din, a kind orphan raised by monks, and Sai, a poor girl protecting her mother from an abusive stepfather. To reform his children, Aphichat hires Din to tutor Fahsai and gives Sai a job, bringing her into Hin’s world. Despite their differences and ongoing conflicts, the four form unexpected bonds.