What would you do with a thirty-year-old letter that had never been mailed? Sunny McQueen finds herself pondering this question when she inherits a tattered leather suitcase that belonged to her great uncle, a man who died before she was even born. She becomes obsessed with finding the intended recipient of the mysterious letter that she finds in his belongings. She puts her own life on hold and sets out to the Caribbean. Her journey leads her into a tangled web of secrets and murder that reaches back to the Fifties when her great uncle roamed the Island of Euphoria. There she meets the charming Brooks Laughton and brooding Carter Davis, two men who despise each other and always seem to be getting in her way. Brooks is a local celebrity who made the big time and left the Island. Carter lives a quiet existence trying to forget about Brooks and the past. What will she learn about her family and herself if she can untangle the web? Why does it all seem to be tied together and why is someone trying to keep her from getting at the truth? Past and present collide as Sunny seeks to uncover all the secrets. Fans of Ruth Ware and Paula Hawkins will love this dark and twisty psychological thriller.