A mysterious — and suspicious — run of ill fortune plagues a teenage girl and her mother and sister on their hillside farm in this folk story set in the dark hills of Wales during the industrial revolution.
| Actor | Role |
|---|---|
 Eleanor Worthington-CoxGwen | Gwen |
 Maxine PeakeElen | Elen |
 Richard HarringtonEdward Morris | Edward Morris |
 Mark Lewis JonesMr. Wynne | Mr. Wynne |
 Kobna Holdbrook-SmithDoctor Wren | Doctor Wren |
 Richard ElfynMinister Bowen | Minister Bowen |
 Gwion GlynHarri Morris | Harri Morris |
| JJodie InnesMari | Mari |