Thou Shalt Not KillSeason 12015 · 12 episodesEpisodes1Episode 1A missing fifteen-year-old girl is found dead during her father's heartfelt televised appeal. Inspector Ferro investigates the case, just as her mother is released from prison.2Episode 2A banker is killed during what appears to be a villa robbery. Inspector Ferro, however, isn't convinced: it seems the man's three sons are hiding something.3Episode 3A cheating husband reports his pregnant wife missing, but during Inspector Ferro's investigation, some clues make him the prime suspect in a possible murder.4Episode 4After finding the body of a girl on the banks of the Po, Valeria Ferro discovers that she must also investigate the secrets of a Benedictine monastery to find the culprit.5Episode 5An Egyptian girl is murdered in a hammam, and her Italian lover finds her. Could it be her rejection of tradition that led to her death? Ferro is determined to find out.6Episode 6A woman leaves her four-year-old daughter in her car for a few minutes. When she returns, the girl is dead. Valeria Ferro investigates the suspects, including the father, who lies about his alibi.7Episode 7A woman is murdered with a unique murder weapon. Inspector Ferro discovers that there are more suspects surrounding the murder than she imagined.8Episode 8A physical education teacher is hit by a hit-and-run driver. While investigating his case, Inspector Ferro discovers that one of her students was also killed.9Episode 9The owner of a gay club is killed by a gunshot to the head in an industrial area. Valeria Ferro suspects the owner of a nearby warehouse is hiding a secret.10Episode 10Shortly after a concert, a famous violinist is murdered. This time, the investigator isn't Inspector Ferro, who's about to move to Rome, but her right-hand man, Andrea Russo.11Episode 11A college professor is murdered in a park tunnel where a homeless man lives. Ferro discovers that the man is hiding his true identity: he's the victim's brother.12Episode 12A "perfect" family is found murdered in their hilltop villa. It looks like a murder-suicide, but something doesn't add up for Inspector Ferro. Could it have been staged?Season 2