Photographer Isla Wilson is thrilled she's landed her dream job, but the clients who hired her are getting stranger by the day.It sounded so perfect - a month's assignment at the misty, sprawling Scottish Highlands property of brilliant architect Alban McGregor, and his wife, Jessica.But deep in the woods, there is a chilling playhouse. Two years ago, the McGregors' daughter, Elodie, died after being abducted and taken there. Alban refuses to knock...