The Daughter They Lost To The Tide

The story

The Harlans left their little girl in a tsunami to save their male heir. Eighteen years later, that heir is tormenting a junior employee, unaware she's the twin sister he's desperate to find. Raised by a sanitation worker, Maya only wants the wages her adoptive dad is owed and the money to keep him alive. Now her own brother wants her cornea in exchange. How much will this family take before they recognize the daughter they threw away?