On the day Juno Browne’s van goes up in flames she meets Jamie Westershall, owner of Moorworthy house, a large family estate on Dartmoor. Invited to sell antiques at the family’s upcoming garden fete she takes along colleagues from her shop, Old Nick’s. When one of her team is found dead in woods it seems he has been the victim of a horrible and bizarre accident. Convinced that he was murdered Juno begins an investigation of her own. She discovers that his is not the only strange death to have occurred on the Moorworthy estate, including the death of an expert researching rare bat colonies in disused mine workings.

It soon becomes clear that by asking questions she is putting herself in danger. There is something very wrong at Moorworthy House and the disused mines contain a dark and dangerous secret that she must set out herself to uncover.