When stones begin miraculously arranging themselves on the edge of one young man's private land, he and his friend begin trying to decipher them in any way possible. When they realize that it might be a dark portent, they become desperate to achieve their goal before it is too late.
| Directing | Gareth Davies | Director |
| Writing | Emyr Humphreys | Adaptation |
| Writing | Arthur Machen | Original Story |
| Production | Huw Davies | Executive Producer |
| Sound | Alun Hoddinott | Music |
| Sound | Norman Kay | Music |
| Crew | Laurie Davies | Cinematography |
| Editing | Dave Camps | Editor |
| Art | Doug James | Production Design |
| Sound | Jack Butler | Sound Recordist |
| Sound | John Cross | Sound Mixer |
| Camera | Roger Pearce | Camera Operator |
