Vud was in love with Kompai( Kob) but did not have the courage to confess his passions so he came close to her family, Rodsarin, hoping that he’d have a chance with Kompai. But when he realized that Kompai wasn’t interested in him at each, he came engaged to Rodsarin before leaving to study abroad, along with Rodsarin’s friend, Thitha.
Thitha and Vud ended up starting a relationship while studying abroad. Vud transferred a letter to Rodsarin, telling her that he was ending their engagement. Rodsarin came agonized and passed down. Kompai pledged to get avenged for her family.
She used Panin( Charit) as her tool to get back at them. Kompai planned for Thitha to fall for Panin, with the intentions of noway letting her being with him.