Sutaphan and Surampha, two sisters were raised by their parents in a strict manner, causing Surampha to be a stubborn and quiet child, in contrast to Sutaphan who often argued and was often punished by her father. In the other family, Chanokchon is the mother's hated child because he caused their parents to break up while his half-brother, is the beloved son that his mother spoils and puts her hopes on, but she doesn't know that Chayangkun will become even more spoiled and Chanokchon almost becomes a bad person because of drug addiction. Luckily, he has Sutaphan as a tonic for his heart. However, their love encounters obstacles from Surampha, Chayangkun, Chanikarn, Sutaphan's friend who likes Chanokchon, and Teeradon, the son of a servant in Chanikarn's house who falls in love with Sutaphan. When friendship turns to enemy, a tragic love story inevitably occurs.