《唤醒死者第二季》督察彼得·博伊德(PeterBoyd)指挥一支由经过各种演练的警探和科学家组成的警察小组——未破案小组，使用以前从未被调查过的现代技能和新技术，专门调查未破的旧谋杀案。Det.Supt.PeterBoyd（playedbyTrevorEve）istheleaderofamulti-disciplinepoliceteamofdetectivesandscientists，theColdCaseSquad，whichinvestigatesold，unsolvedmurdercasesusingmodernmethodsandnewtechnologythatmaynothavebeenavailableduringtheoriginalinvestigation.LedbyDetectiveSuperintendentPeterBoyd（TrevorEve）theColdCaseSquadinvestigatesseriouscrimeswhichhavegoneunsolved.Armedwiththelatesttechnologicaladvancesandoldfashionedhardwork，PsychologicalProfilerGraceFoley（SueJohnston），ForensicPathologistFrankieWharton（HollyAird），DetectiveConstableMelSilver（ClaireGoose）andDetectiveSergeantSpencerJordan（WilJohnson）wakethedeadforcluesandanswers。