Danielle (Tsilla Chelton) is an embittered elderly widow who literally nags and works her equally elderly companion-cum-housekeeper Odile (Neige Dolsky) to death. Danielle finds new targets for her extremely selfish, hurtful and resolutely anti-social behaviour when arrangements are made for her to move in with her great nephew Jean-Pierre (Eric Prat) and his family. When the family take a well earned holiday abroad, a live-in carer called Sandrine (Isabelle Nanty) is employed to look after Danielle. Sandrine is just as cynical, unsympathetic and uncaring as Danielle and their common world-view results in the pair striking up a happy friendship of sorts. However, the two malcontents soon fall out and a furious Danielle effects an extremely petulant act of revenge.