As Caryl digs deeper, she encounters Mabli, a young activist protesting reservoir expansion. Eve finds herself increasingly cornered as Caryl's investigation progresses. Rhys's quest for answers leads him to a confrontation with Eve, triggering revelations that threaten to unravel the town's long-held truths.

Caryl attempts to return the documents related to her investigation to Gillian, admitting she feels like she's been twisting the facts and is not the right person to tell the story. Gillian encourages her not to give up so easily.

Caryl relentlessly pursues the truth, interrogating Eve, Rhys, and Robert, seeking to uncover their involvement in the tragic event. Family dynamics are muddied by Mabli's secret paternity test, a revelation that threatens to unravel the family. Eve's desperation to protect her past results in dire consequences.

The community grieves for one of its stalwarts. Eve is tormented by guilt, while Mabli voices her criticism of reservoirs through a poignant poem at the funeral. Mabli joins forces with Hari to take a stand against the reservoir.

As Caryl pieces together the events surrounding Llyr's demise, Rhys confronts his father, Bryn, to uncover his connection to Llyr and the bombing. Hari makes the difficult decision to leave Llanemlyn, for a fresh start.

After the murder of Ela Roberts in 2002, Joe Pritchard has spent 18 years in prison but has not disclosed where the body is. When the news breaks that Joe is about to be released from prison much to Sharon, Ela's mother's horror, the journalist Cat Donato decides to return to Llanemlyn to look for answers and to discover the truth once and for all. But will she be warmly welcomed back in the town where she grew up' Sharon is also desperate for answers, and she'll go to any lengths to get them.

Does Joe have any answers for Sharon' Is there someone who can persuade him to reveal what happened that night' Cat continues with her enquiries which makes her more unpopular with each question she asks. As the news of Joe Pritchard being released spreads through Llanemlyn, Sharon is more determined than ever to get answers - despite police warnings. Meanwhile, Joe is trying his best to cope with life outside prison and move on from his past.

Dai continues to support Sharon through everything, whilst tensions simmer between her and Gafyn. How will Sali react when she discovers Greta's secret' Cat and Caryl catch up again and what Caryl has to say makes Cat revisit the past. How will Joe react to Sharon's constant threats'

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.

It appears that things are going from bad to worse for Sharon and Joe. As Gafyn, Greta and Dai support Sharon, Shelly and Cat are trying their utmost to help Joe remember the events of that fateful night. When Sharon is released from hospital, an important piece of evidence surfaces...what will she decide to do with it' Do the right thing and go to the police or go rogue and rely on Cat to piece the jigsaw together' A shocking event sends ripples through the community...but it gives Cat food for

1995. A bomb. A death. A conviction. Now Rhys Owen is back in Llanemlyn following a 20 year prison sentence for the murder of his cousin Llyr - older, quieter, but still carrying secrets. As protests erupt over a new reservoir expansion, student journalist Caryl Huws starts asking the wrong questions.

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'