A remote valley, a deserted forester's cottage and a silent forest: an idyllic setting - and the scene of a horrific crime. The silent forest hides the secret of a girl that must be uncovered to solve the mystery. Judith Krieger, a police detective from Cologne, is assigned the case. For years burdened by a terrible memory, she knows this is the last chance for her to recover her famed abilities. Chain smoking and suffering from chronic fatigue, she gets started with the investigation. But Judith makes mistakes, and is forced to blur the boundaries between work and her own past... She has no choice, for everything is at stake - her job and soon even her identity. She has to solve this case; the investigation is her last chance.