She was born into a wealthy family but got separated from her CEO mother by accident. Years later, a girl impersonated her and became the family's heiress. When they met again as adults, she became the target of the fake heiress's bullying, and her own mother didn't recognize her. After losing her adoptive mother because of the fake heiress, she hated her biological mother. Then the CEO discovered that the real daughter she had been mistreating all along was her.
