Eloise and Cathy have been best friends since childhood, growing up together against the idyllic backdrop of Eloise’s family home on the Cornish coast. When Eloise dies after a long battle with breast cancer, Cathy is devastated.
Cathy returns to Cornwall for the funeral, but soon begins to have disturbing dreams, implying that Eloise’s death was not all it seems. With a history of depression, Cathy is only just recovering from a nervous breakdown and her husband Chris, a psychiatrist, is concerned that she is losing her grip on reality once again.
Stung by her husband’s scepticism, Cathy decides to explore Eloise’s mysterious past. But as she is drawn ever deeper into her friend’s great – and tragic – secret, Cathy soon finds herself in unimaginable danger.
