The One That Got Away (2024)

Cleddau in Welsh, The One That Got Away in English: a nurse's murder throws an old conviction into doubt and reunites two former lovers on the case, played by Elen Rhys and Richard Harrington. Catherine Tregenna created and wrote it, and the Pembrokeshire coastline gives it big skies and a small-town closeness. The two versions were filmed back to back, and both are on BBC iPlayer. The first series won Best Drama at the RTS Cymru Wales Awards, and a second began on S4C in October 2026, so it's the most current of the bilingual thrillers.