Eun-yi is an innocent young woman who is hired as an upper class family housemaid, and is tasked to take care of the family's small daughter and her pregnant mother, Hae-ra. Byung-sik is an older housemaid who has been with this family for a long time and holds many secrets. But soon enough, the master of the house, Hoon, takes advantage of his social position by slipping into the new housemaid's bed. Hoon's visits become frequent and Byung-sik reports the affair to Hae-ra's mother Mi-hee, wh find out more...