Finding that her loved ones are neglecting her, Juliette decides to pretend she has amnesia. Her plan works perfectly, and her children finally decide to take care of her. But when she decides to reveal the truth about her condition, her husband decides to move his mistress into their home. Juliette keeps her secret and goes to war against her husband...

Pattern never changes. She finds lonely, anonymous, almost invisible women doing menial jobs, becomes their friend and confidante and then kills them and takes their identity, their job and their apartment. Police investigator Judith Corel serves as bait in an attempt to trap the chameleon killer.