While Cambridge police detectives interview witnesses who may or may not tell the truth, 'Sam' extracts revealing truths from calcified bones, decomposed and charred bodies, tell-tale bruises and overlooked fingerprints. Brace yourself for twists and turns in four gripping episodes: the suspicious drowning of a six-year-old girl, the apparently ritual killing of a young man, a death in police custody, and the fiery murder of a refugee's business partner....

Baffled police turn to forensic pathologists Nikki Alexander, Jack Hodgson and Thomas Chamberlain for help. What's the missing link between a poisoned autistic boy and a football celebrity caught on a sex tape? If a framed ex-soldier didn't kill two boys, who did? How to explain the buried remains of a lap dancer in rural Scotland and the body of a recently pregnant Northern Irish teenager, found in a suitcase? Things get personal for Jack when his...

Follows the work and personal lives of forensic pathologist Dr. Samantha Ryan and her police colleagues as they investigate four murder cases in and around Cambridge, England.