Sapphire and her brother, Conor, live an idyllic life in Cornwall, England; they are free to explore the beautiful cove near their cottage, where they swim and play together - it is their own special place. But why does Conor keep disappearing for hours on end? And who is the mysterious girl with long dark hair, talking to him on the rocks?Following him down to the cove one day, Sapphy discovers an enchanted world she never knew existed. Soon she begins to let go of all the things she loves and cares about as she falls under the spell of the dangerous and exciting place called Ingo.