우리가 아는 모든 '하녀'의 시작! 비밀스러운 그녀의 일기가 드디어 공개된다. 뛰어난 미모, 파리 출신의 세련된 패션감각, 도도한 성격, 주인을 비웃는 자신감까지. 모든 남자들의 추파와 모든 여자들의 질투를 받는 그녀. 세상 가장 발칙한 하녀 '셀레스틴'의 등장은 조용한 마을을 뒤흔드는데…

France, around 1900. Coming from the vibrancy of Paris, pert Clestine is procured as a chambermaid in Normandy. In the Lanlaire's villa she encounters the lecherous man of the house and his asexual, tyrannical and jealous wife. Clestine is determined to avoid the fate suffered by the cook Marianne who has already secretly killed one child born out of wedlock and now despairingly realises she is pregnant again. The lively maid is intrigued by what the mysterious manservant Joseph is up to: he distributes anti-Semitic leaflets and suggests that she could work for him as a prostitute in Cherbourg…