The story takes place at Siam Kanchana School, a seeming paradise for the children of prominent families but a hell for scholarship students, who are discriminated against by class distinctions. This school was founded by the influential political family of Chanin and is managed by Principal Seetara, Chanin's wife. The false peace is shattered when a shocking murder occurs within the school grounds. One side will do everything to protect her children and power, while the other must do everything to expose the culprit. Under the pressure of money and influence that twists wrong into right, will Sasiwimol be able to break down the wall of social hierarchy and demand justice? What fate awaits the children?