Twenty-seven years ago, a 15-year-old boy vanished without a trace. New, mysterious evidence prompts retired Inspector Dennert to urge his successor, Ingo Thiel, to reexamine this cold case. Since 1997, Sven Nolden’s parents have clung to the hope that their son will return. Letters begin to arrive at the Nolden residence from someone named Chris, promising Sven’s imminent homecoming. Will this new lead finally bring closure?