Forensic Pathologist Maura Isles is asked to attend an intriguing examination. An ancient mummy has been found in a museum basement, prompting great media excitement. But with horror she realises that it's not as ancient as they thought... A very modern bullet is showing up on the scan. Detective Jane Rizzoli is called to investigate and soon discovers a second - and then a third - mummified body. Who is this killer and why does he preserve his victims so meticulously? And who will be the next to join his monstrous collection?