Determined to prove a Missouri mom was murdered, an ambitious medical examiner orders an illegal exhumation. And when the autopsy reveals foul play, the search for the woman's killer reveals another mysterious cold case with a chilling connection.

The surgically dismembered remains of an unknown woman are discovered in Wisconsin. Mutilated beyond recognition, it's up to a forensic anthropologist to establish her identity and help track down her killer.

A wealthy woman disappears from her upscale Ohio retirement village. Days later, her body is found in the trunk of her abandoned car.

A parishioner is found dead in rural Pennsylvania church with a gunshot wound to his head. When investigators uncover suspicious details about the man's life, it's up to the Medical Examiner to get to the bottom of the mystery.

The dismembered remains of an unidentified young man are discovered in Wisconsin, where a tattoo, a plastic bag expert, and an unexpected confession leads detectives to the killer's door.