AJ Waines is a Number One Bestselling Author in UK & Australia (Girl on a Train) She was your best friend. Now she's your deadliest enemy - and there's nowhere to run... When Alice receives an invitation from Karen, her charismatic University friend, to stay in a remote cottage in Scotland, she can't wait to rekindle their lost friendship. But two more former students arrive - never friends of Alice's - and as the atmosphere chills, Karen isn't the...