"Growing up the daughter of notorious treasure hunter and absentee father Duke Wilder left Lily without much patience for the profession . . . or much money in the bank. But Lily is nothing if not resourceful, and now uses Duke's coveted hand-drawn maps to guide tourists on fake treasure hunts through the treacherous and storied red rock canyons of Utah. It pays the bills but doesn't leave enough to fulfill her dream of buying back the beloved ranch...

On her eighteenth birthday, Cleo is given clues for a mysterious scavenger hunt that sends her around Columbus, Ohio, and through her past relationship with Declan, who drowned on a group rafting trip the previous year.