A woman suffers a seemingly accidental fall down flight of stairs, and dies from a traumatic brain injury. But after the autopsy, Hetrick suspects there is more than meets the eye. Ten years and two more mysterious deaths later, the truth is finally revealed.

Career U.S. Army soldier Sam Gore is found viciously stabbed inside his home in Harrisburg, Pa.; Dauphin County Coroner Graham Hetrick must determine whether Gore was a soldier of misfortune or the victim of premeditated murder.

In Hershey, Pa., Bob Curley dies after being rushed to the emergency room with bizarre symptoms; Dauphin County Coroner Graham Hetrick hunts for a strand of evidence to prove whether Curley's exposure to a deadly poison was accidental or murder.