In the late 18th century on the desolate northern coast of Cornwall ancient Raven Heights Manor perches like its namesake its claws buried tenuously in the crags of the cliff. When orphaned Claire Temple is summoned to live with her uncle at Raven Heights Manor the uncle she has yet to meet is absent and she is left alone with the housekeeper and staff. The cliff walk is forbidden as a young woman recently fell to her death. The inquest determined it was an accident. But once Claire discovers the first cryptic clue hidden by the victim in fear of death Claire is not so sure. She is determined to solve the string of puzzles and learn the secrets buried in Raven Heights.