Uppatham Kongkaew

To honor a family promise, Rojanasnai is forced into an engagement meant for her younger sister, Romereuthai. Out of gratitude for her adoptive family, she accepts, despite knowing the groom, Paat Pathamakul, believes he was deceived. Wounded in pride, Paat treats her coldly, declaring their marriage only technical. But as she quietly endures his torment, emotions begin to shift. Can a union born of duty and misunderstanding turn into true love?

Trat is the heir to one of the richest companies in Thailand. After his father's death, his stepmother wants him to take over the family business; he doesn't want to because of his prejudice towards her. Later, he meets Gang and starts a relationship with her, but learns she's actually his stepmother's niece. He mistakenly thought his stepmother deceived him and was scheming something. After that he decides to start working for the company but with one condition: Gang has to work with him.