1Episode 1
Huw retreats to a remote home, but serial killer Patrick tracks him down from prison.
2Episode 2
Patrick intensifies his psychological assault on Huw and Margot.
3Episode 3
Jenny races to uncover the truth, realising that Patrick is orchestrating an ambush - and Huw is walking straight into it.
4Episode 4
Huw tracks Patrick to the abandoned farmhouse where a devastating truth is revealed and Patrick delivers a final cruel masterstroke.