Nikki and Jack investigate murder resembling notorious serial killer's work. Meeting original coroner Charles Beck, Nikki learns his wife was suspected a victim, but disbelieved when claiming he knows her body's location. 法医Dr. Nikki Alexander和法证学家Jack Hodgson带领团队往返于犯罪现场和实验室,为已故者追寻正义。这一季,两人的爱情继续生长。