Childhood friends Pimala and Jai Rerng have always been opposites, with Pimala embodying virtues and Jai Rerng vices. Jai Rerng left her boyfriend Rerk to marry a richer man, Terdpan. After Terdpan divorces her, Jai Rerng moves in with Pimala and Rerk, now married. Despite Rerk's initial hatred, he succumbs to Jai Rerng's seduction, leading to an affair. Pimala eventually discovers the betrayal.