1x01:
Happy Valley
1×02:
1×03:
1×04:
1×05:
1×06:
2×01:
2×02:
2×03:
2×04:
2×05:
2×06:
No-nonsense police sergeant Catherine Cawood deals with a startling confession.
Catherine's search for Tommy gains momentum when she receives a tip-off.
Tommy brutally takes control when PC Kirsten McAskill pulls him and Lewis over.
A sinister discovery leaves Catherine fighting for her life.
As the net begins to close on Kevin, Catherine is depressed to learn that Tommy is free.
Catherine's fears grow as she learns that Tommy has been spending time with Ryan.
Tommy finds a way of keeping a watchful eye over Ryan from behind bars.
Catherine comes face to face with Tommy, and John takes action against Vicky's threat.
Tommy urges Frances to go further with her attempts at making Catherine's life a misery.
A birthday gift for Ryan reminds Catherine that danger may be closer than she thinks.
Catherine and Ann have a long drunken night out while Frances makes the petrol bomb she plans to throw through Catherine's window.
Catherine confronts a delusional Frances, while John's torment leads him to desperate measures.