Sharon is on pins after Joe's vist - will this be enough to stop her threatening behaviour towards him? DCI Parry comes to visit Cat to warn her to stop fishing for information. But something he says to her makes her more determined than ever of uncovering the truth. When things become too much for Sharon, help arrives in an unexpected form.

In the gripping last episode of this series, Cat and Joe return to the woods to see whether Joe can remember what happened. As he ventures on a journey which angers and haunts him, will anything remind him of who was in the woods that day and what really happened? Will Sharon get answers once and for all to ensure that Ela gets home safe?