Two sisters, maids to a wealthy society woman, act out fantasies of class, love and revenge while the lady of the house is out on a romantic rendezvous. As their games intensify, the incipient violence escalates as they await Madame's return...
Based on a real murder case from 1933, Christine and Léa Papin were real-life sisters who worked as maids for the Lancelin family for many years, and brutally murdered their employer one night in February 1933.