Some would argue that there’s no stronger bond in the world than between a mother and her son. Well, that theory is about to be put to the test in Prime Video’s new thriller series The Girlfriend.

Ah-Zhai is shocked by the electricity bill that Eve and Adam have incurred. Adam thinks of a way to earn his keep. Adam's izakaya business is blooming, but Ah-Zhai still feels unhappy. So he devises a ...