The Best Episodes Written By Allan Cubitt

On the day of her 23rd birthday, Beth hopes to escape home. But with the day fast approaching, can she can hold her nerve?

Beth decides to tell Mercy that she is leaving Fermanagh, but Mercy protests and exclaims it will break her heart —and Billy's too. Beth puts her plan to run away with Liam into action but a suspicious and very drunk Billy questions Beth —is there anything she has to tell him?

Planning on eloping with Ward, Beth steals Billy's gold and leaves. The Dummy stops her and issues a dire warning. Who is out to hurt her and why? Beth will have her vengeance.

With Paul Spector in custody, DSI Gibson searches for clues to help find Rose Stagg.

The series concludes as Gibson and Anderson put fresh evidence to Spector, with explosive results. Spector's new-found friendship with another inmate develops, with devastating consequences.

The investigation continues...

The killer's latest attack gives Gibson renewed impetus. As the net appears to be closing in, Spector makes a dramatic confession and a decision that binds his fate to Gibson.

Stella Gibson realises that her mistakes have put the life of Rose Stagg in danger.

A shocking revelation proves how terrifyingly manipulative Paul Spector can be.

After the breakthrough identifying the killer, Stella Gibson must play a waiting game.

As the investigation tightens around Paul Spector, he makes a bold break for cover.

Spector's legal team move into action, determined he won't stand trial.

When Eastwood's investigation into Olson's murder throws open some uncomfortable truths for Burns, Gibson comes under increased pressure in her hunt for Belfast's killer.

Gibson continues her hunt for the killer.

Gibson and Burns are hauled over the coals by the Police Ombudsman and the Policing Executive for their conduct and handling of the case. When Spector’s name is released to the press as the arrested suspect in the Belfast Strangler case, his wife and family are forced to deal with the consequences.

Spector's legal team are determined that he will never stand trial. Anderson and Ferrington make a discovery from the past that may help Gibson build her case.

As DSI Stella Gibson takes control of the hunt for the serial killer striking women in Belfast, the realisation that his perfect kill is tainted pushes Spector into looking for his next victim.

Stella Gibson has finally arrested Paul Spector, but he has been shot by jealous husband James Tyler, leaving the staff at Belfast General Hospital battling to save his life. As the shooting hits the news, the powers-that-be question Gibson's handling of the case, while Spector's young partner-in-crime Katie plots to help him.

The body of a teenage girl is found and the investigation leads Jane into a community who distrust the police. Jane has recently had an affair with DS Bob Oswalde and he is assigned to the case. David Harvey confesses to the murder but neither Jane or Bob believe him. Bob is convinced that it is really the girl's young neighbour Tony Allen. Together they are able to discover who the real murderer is.

Gibson comes face to face with the depths of Sally-Ann's desperation.

When a murder in Belfast remains unsolved after 28 days, DSI Stella Gibson is called in to review the case.

DSI Stella Gibson's worst fears are realised as Spector's murder spree in Belfast continues and she faces very real consequences after a reckless decision.