Plot
The eight-part drama, filmed in Snowdonia, tells the story of detective DI Cadi John (Sian 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.
Where to watch Hidden?
Hidden is a crime show featuring Sian Reese-Williams and created by Ed Talfan.
Hidden is currently streaming on Acorn TV, AcornTV Amazon Channel, Hoopla and Spectrum On Demand.
It is also possible to buy Hidden on Amazon Video, Apple TV, Google Play Movies and Vudu.