After selling his company for millions, Colby Walker takes his family-and his son's friend Jess-on vacation, wanting nothing more than to unwind in the sun and surf. But he spots the alarming signs in short order: Jess's downcast eyes, a familiar passivity, and angry red welts marching across the boy's bare back. Walker understands what they mean because he'd been that boy, many years ago. He'd suffered in silence, too. Can Walker stand by and let...