A nanny, a driver, and two laundrywomen of a wealthy, aristocratic family mysteriously vanish one by one without a trace. Years later, the four houseworkers’ respective family members & loved ones are out to get their revenge against the prominent family itself. To exact vengeance, they infiltrate the household under different identities in order to expose their dirty secrets. However, an encounter with the family’s eldest son in the past will lead to obstacles getting in the way of the revenge plot.
