Isabella, one of many beautiful Model (person) employed at a fashion house, is walking through the grounds that lead to the establishment one night when she is attacked and violently killed by an assailant wearing a white featureless mask. Police Inspector Sylvester is assigned to investigate the murder and he interviews Max Morlan, the manager who co-manages the salon with his lover, the recently widowed Countess Christina Como. Max attests that he can not provide any information whatsoever that can assist the inspector, but as the investigation continues all of the fashion house's various sins, including corruption, abortions, blackmail and drug addiction, begin to come to light. It is revealed that Isabella had kept a diary detailing these vices, and suddenly almost every employee becomes nervous.