Tells about an orphan girl named Nisha (played by Esther Supreeleela). One time fate requires that he decided to disguise himself as the heir to a wealthy family of Trilogy (played by Trakarn Punthumlerdrujee) as his son who died in an accident, namely Ice
Nicha accepted the offer on condition that they continue to help the orphanage where Nisha had been raised. Then to manage the company, he was sent to study abroad until finally after 20 years later he returned to become a family business executive. He also changed his personality like Ice. On the other hand Fire (Son Yuke Songpaisan) is a friend of Nisha from the same orphanage. He also changed his identity name as Thunder because the person who killed his mother is now chasing to kill him. Fire also received the same scholarship from the Trilogy family.
Prissana takes place in 1938 in Phra Nakhon, Thailand, during a time when men and women were not equals. Marriage for women meant security, not love. Prissana is the youngest daughter of four girls and was the only one raised in America by their uncle. She is outgoing, cheerful, and pretty, but at the same time, she is also headstrong, intelligent, and opinionated. She returns to Thailand after living in America for 12 years and is once again reunited with her family. Prissana, whose name means “mystery, a puzzle/riddle,” causes quite a stir in Thailand with her open, American behavior and refreshing beauty.
Arnon once loved his neighbor dearly. However, she is now married to another man. By chance he meets Suchada. Suchada stays away from Arnon as she has heard of his promiscuous ways. She is told by a friend that he has broken her heart. Suchada refuses to acknowledge a man who hurt her friend. As their story unfolds, Suchada’s real birthright becomes more clear.