The Billionaire's Ex-Wife

The female lead, Quinn Thorne, was originally the heiress of a wealthy family but was sent by her father to Bloomfield City for three years of training. Quinn Thorne had to take an inconspicuous sales job, only to be looked down upon by her husband's family. Three years later, when Quinn Thorne's true identity is restored, it's her husband's family's turn to be stunned.