Episode 1

Dìreach ùr na dhreuchd ann an Aberystwyth, tha DCI Tom Mathias air a ghairm gu suidheachadh amharasach mu chuideigin a chaidh a dhìth. Am broinn taigh beag ri taobh na mara tha fianais gun do thachair muirt le làrach fuilteach ach gun sgeul air corp. Tha a rannsachadh mu Helen Jenkins, aois 64, ga thoirt gu sruth uisge a tha a' dòirteadh sìos aig Devil's Bridge far a bheil e a' faighinn a-mach mu eachdraidh borb taigh nan dilleachdan a dhùin o chionn fhada.

On his very first day in his new job in Aberystwyth, DCI Tom Mathias is called out to investigate a suspicious disappearance. In a quiet seaside bungalow he discovers a bathroom covered in blood but no sign of the owner. His investigation into the disappearance of 64-year-old Helen Jenkins leads him to the cascading waters of an ancient ravine at Devil's Bridge, and uncovers the cruel history of a long-closed children's home.