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.

Disc one, episodes 1-4. An academic exercise, part 1 ; An academic exercise, part 2 ; Fallen idol, part 1 ; Fallen idol, part 2 -- Disc two, episodes 5-8. Divided loyalties, part 1 ; Divided loyalties, part 2 ; Brothers in arms, part 1 ; Brothers in arms, part 2.