Fabienne is a police officer. She does her job well but is gradually growing tired of the dehumanized nature of her work : arresting undocumented aliens day after day does not fit in with her ideals. That's why when, one night, Olga, the Kazakh prostitute she apprehends, begs her to free her not to...
Après quinze ans passés derrière les barreaux, Bruno, qui prône la révolution prolétarienne, s'évade. Ce dernier veut continuer la lutte, faire sortir ses camarades de prison, libérer les masses du joug capitaliste. Tous ses anciens alliés n'y croient plus, même Jeanne qui s'est mariée...
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.