Carla Pratesi, a prostitute, is killed. Her death is followed by a number of attempted murders. Carla's sister undertakes her own investigation. Police enquiries uncover a drugs trade connected to a call-girls organization but the murderer remains at large. Finally, a witness identifies the killer as a well-known actor. However, he has a strong alibi (he was shooting a film). The following night, a girl who manages to escape from... see more