Thou Shalt Not Kill

Season 1

TV-MA

Valeria Ferro, an inspector of the Turin Homicide Squad, is a young and extremely skilled police officer, with a keen intuition and an obsession: the truth. But her past reveals a wound that dates back to her adolescence, when her mother, Lucia, was convicted of her husband's murder.

Where to Watch Season 1

PBS Masterpiece Amazon ChannelSubscription

12 Episodes

Episode 1
E1
Episode 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.
Episode 2
E2
Episode 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.
Episode 3
E3
Episode 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.
Episode 4
E4
Episode 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.
Episode 5
E5
Episode 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.
Episode 6
E6
Episode 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.
Episode 7
E7
Episode 7A woman is murdered with a unique murder weapon. Inspector Ferro discovers that there are more suspects surrounding the murder than she imagined.
Episode 8
E8
Episode 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.
Episode 9
E9
Episode 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.
Episode 10
E10
Episode 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.
Episode 11
E11
Episode 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.
Episode 12
E12
Episode 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?