Bully-Golddigger became my stepdad

Kim Min-ju, the only daughter of Ijin Group’s chairman, returns from studying abroad. Choi Young-woong, the chairman’s secretary and lover, plans to marry into the family with a Harry Winston necklace. He breaks it in a parking dispute, then mistreats her, thinking she’s just a student. Unaware of her real identity, he makes a regretful, irreversible mistake.