True Heiress

Susie Quinn, the billionaire's daughter, works incognito at her family's restaurant for the summer. When an illegitimate daughter confronts her, Susie's father arrives to defend the imposter—exposing his long-term affair.

After he publicly sides with his secret family, Susie and her mother seize control of the assets, freezing him out of the company. Seeing his true nature, they leave the toxic household for good.