At the start of summer in 1972, sixteen-year-old Jan and her best friend Shelley find a box in the ocean with a mysterious locket inside. As they fall further into an intricate web spun by a family with dark secrets, the girls learn why what they found needs to fall into the right hands. But not all hands are the right ones, and not all secrets can be kept. After all, some things are predestined to be jinxed.