Chasing a new lead, Stone rescues one of the killer's abductees and inches closer to identifying him. But because of his brusque manner, Stone must now battle a formal complaint lodged by another detective.

In the aftermath of the tragic search to find Stephen's body, Stone starts doubting himself. Could the killer still be at large? And what, if anything, was Stephen trying to hide from his son? To answer these questions, Stone and Hattersley will have to work back from the start.