The Apprentice:A series of horrific murders seem disturbingly familiar to Detective Jane Rizzoli. They remind her and Forensic Pathologist Maura Isles of those committed by a killer known as The Surgeon, who they recently put behind bars.The Surgeon:A killer is targeting lone women, torturing and murdering them. The precision of his methods leads Detective Jane Rizzoli to suspect he is medically trained.Then Jane makes a terrifying discovery. Years ago a young woman was assaulted in a similar way. She escaped by shooting her attacker dead.The Sinner:Two nuns are brutally attacked within the walls of their convent. There seems to be no shred of motive. But during the autopsy Forensic Pathologist Maura Isles discovers something entirely unexpected.Body Double:Pathologist Maura Isles has dissected her fair share of corpses. But this time it’s different, because the victim looks exactly like her.Detective Jane Rizzoli is assigned to investigate, and finds herself tracking a twisted killer across the country.Vanish:Forensic Pathologist Maura Isles unzips a body bag and gets the fright of her life. The corpse opens its eyes. The woman is rushed to hospital, where she murders a guard and siezes hostages, including a heavily pregnant Detective Jane Rizzoli.The Mephisto Club:The words are scrawled in blood at the most shocking murder scene Forensic Pathologist Maura Isles and Detective Jane Rizzoli have ever witnessed. The victim, a young woman, has been entirely drained of blood and horrifically dismembered.