The cases are increasing; the patients are worsening. Anna and Ged must try to identify the cause. Brother and sister find themselves navigating a web of secrets in the village of Bly. And soon, a violent storm will make them more isolated than ever...Dark Medical Thriller by Matthew Broughton, creator of Tracks and Broken Colours.With original music by Sion Orgon and Rhodri DaviesCAST Anna Diaz- Saran Morgan Ged Diaz - Sion Daniel Young Ruth - Michelle Bonnard Raymond - Ioan Hefin Nell - Diana Yekinni Maggie - Catrin Aaron Sian Ellis - Ceri Lloyd Mr Dartington - Ifan Huw DafyddOriginal music by Sion Orgon and Rhodri DaviesProduction Coordinator Eleri McAuliffe Sound Design by Catherine Robinson Directed by Fay Lomas A BBC Audio Wales production for Radio 4