A promise of adventure takes a deadly turn, as a walk in the woods leads fifteen-year-old Sam and her cousin Nell to witness a murder. Sam's haunting promise to a dying man takes them on a hunt to decipher clues which point to a treasure hidden somewhere in town. Soon, with the help of a new and handsome friend Dean, they are on a frantic chase against time. Using their combined knowledge and skills, Sam, Nell and Dean decode long-buried symbols...