พลอยน้ำเพชร

Nongnuch accepts a surrogacy offer for Namphet, a middle-aged woman yearning for motherhood, to support her husband Somdech's treatment. When Namphet's situation changes, Ploy, the baby girl, ends up living with Nongnuch in a slum, growing up without knowing her true biological relationship. Ploy takes on various roles to provide for her family, with Klatawan's support. Namphet's relentless search for her daughter ends with Ploy, and she secretly helps her. Nongnuch becomes aware of Namphet's affluence and schemes to use Ploy for her benefit.