PK

Crime analyst and newly disgraced deputy police chief Vera Boyett doesn’t visit home often, and she certainly doesn’t venture back into the cave on her family land. But when the remains of her long-missing stepmother are discovered, Vera will have to face a past that threatens all she is. She and her sister Eve had a fairy-tale childhood: good until it was tragic, with a stepmother they never found a bond with. At least they had each other, a baby half-sister, and a mutual devotion that would have them do the unthinkable.

Detective Jenna Alton surveys the charred remains of the large suburban home, stopping to pause at the three lifeless bodies of the Woods family. Jenna knows she’s looking for a serial killer, but her priority is finding the missing teenage daughter last seen on the night of the inferno. Days later, Sophie Woods’s body is discovered floating in a shallow pool of crystal-clear water - known locally as Dead Man’s Drop - but Jenna still doesn’t know who would target the quiet family in such a brutal attack.

When police investigator Susan Adler is called to the roadside murder of a fellow state trooper, she's tasked with finding the people responsible for the cold-blooded act caught on the trooper's dashboard cam. She traces the car to a nurse who, along with her elderly patient, has been missing for days. At the old man's house, she finds disturbing evidence that instantly revives two cold cases involving long-missing children.

Trauma victims are not new to medical examiner Faith McIntyre, but this one is different. The unconscious woman clinging to life after a hit and run is FBI agent Macy Crow. What the woman from Quantico was doing in a dark alley after midnight is just one mystery. The other is more unsettling: Macy is Faith’s mirror image—the twin sister she never knew she had.