THE ONE THAT GOT AWAY Series Trailer, Images and Poster

"The One That Got Away" is a British crime drama series created and written by Catherine Tregenna based on the Welsh-language show "Cleddau". The six-part series is produced by BlackLight TV and it stars Elen Rhys, Richard Harrington, Rhian Blythe, Ioan Hefin, Aled Pugh, Mali Ann Reeves and Ian Puleston-Davies. The show premiered on February 25, 2025 on BBC Wales and BBC Four, and is streaming on BBC iPlayer. It will be released on Acorn TV in the US on April 28, 2024.

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"The dark psychological drama sees DI Ffion Lloyd (Elen Rhys, The Mallorca Files) partnering up with her ex-lover DS Rick Sheldon (Richard Harrington, Hinterland), to find out who is responsible for murdering a nurse in a coastal town in west Wales. The murder opens old wounds in a small-town community, throwing a historic conviction into doubt and raising the horrifying prospect of a copycat killer. Full of twists and turns that lead up to a heart-stopping finale, this is a gripping forensic examination of a town, a killer, and a relationship, past and present."