Pong and Aom are lovers and he promises to marry her before he leaves due to work. He meets Charebelle and marries her instead despite his promise to Aom. When Pong returns, Aom can only be the mia noi and is of course Not Pleased. She makes life difficult for Charebelle to win back Pong but accidentally causes the death of a pregnant Charebelle, thus losing Pong’s heart for good. Aom becomes a vengeful ghost who continues haunting Pong and Charebelle in their next life.
