Orphaned Bpeeyachat befriends Monthai, a wealthy family's son, during childhood. After losing her grandmother, she moves in with Viyada's family. Monthai, engaged to Viyada, studies abroad to escape his jealous mother. While away, he writes letters to Viyada, but only Bpeeyachat replies, as Viyada is uninterested. When Monthai's mother falls ill, Bpeeyachat cares for her in Viyada's place. Upon returning, Monthai mistakes Bpeeyachat for a gold-digger pretending to be Viyada and treats
