Amidst a power struggle between Watin Group and Watchara Group, Chonlada, the secret daughter of tycoon Pheemdech, is deployed as a pawn to sabotage their rival. She infiltrates the company as a receptionist to get close to Apo, a sophisticated and sharp executive. Although Apo sees through the ruse from the start, she chooses to play along to protect Lada from lurking dangers. Through scandals and life-threatening crises, their walls crumble, transforming rivalry into genuine care.