The charming village of Llanfair sits amid lush, rolling Welsh meadows populated with quaint cottages and is considered by many of its colourful locals to be a kind of paradise. Unfortunately, there aren’t many opportunities for young people in Llanfair, so when an exciting and glamorous American woman breezes into town talking of dormant psychic powers and important social research, barmaid Betsy Edwards is quick to take her up on an offer of employment. Betsy is dazzled at the possibility of exploring her own sixth sense. And she’s only a little surprised when her new powers are put to a real-life test - when the centre’s flamboyant director goes missing, clues to his fate mysteriously appear in Betsy’s dreams.

It’s a tantalizing mystery for lonely Betsy, who can’t help doing a little investigating on her own. But Constable Evans has been involved with Sacred Grove before - looking for a missing American college student who was lured there by Druid worship. Evan comes to realise that there is nothing straightforward about this case and that Betsy has no idea of the terrible danger she is in.