After witnessing and accidentally helping several thugs get away with a heist, the women rooming together notice through their telescope that the stolen loot is in the apartment right across the street. They plan their own burglary of the already stolen loot.
Marc Elbichon, a novice private sleuth, is investigating a wave of assassinations bearing a particular characteristic: the perpetrator, dubbed the "telephone killer" always strangles his female victims with a telephone cord.
