Season 1 Episode 3 : Episode 3
The eight-part drama, filmed in Snowdonia, tells the story of detective DI Cadi John (Siân Reese-Williams) who returns to North Wales to care for her ailing father. However, when the body of a young woman is found in a local river, it becomes obvious that sinister secrets lie within the stunning North Wales scenery. Cadi's world - and the world around her - is changed forever. Other cast members include Rhodri Meilir (Byw Celwydd, Pride), Gwyneth Keyworth (Game of Thrones, Wasted, Bang) and Siôn Alun Davies (Endeavour, Y Gwyll/Hinterland). A Severn Screen production that brings together series creators Mark Andrew and Ed Talfan and director, Gareth Bryn, all of whom worked on the award-winning drama series Y Gwyll/Hinterland. The producer is Hannah Thomas. Serias writers include award-winning Welsh novelist Caryl Lewis and BAFTA Cymru-winning writer Jeff Murphy and James Rourke.