Criminal Inspector Tomas Jung, head and sole employee of the Department for Unsolved Major Crimes at the North Police Station in Flensburg, is dealing with a case from ten years ago: At that time, a young girl disappeared without a trace on her way from her parents' farm to Husum. Her family fell apart after the tragic event. The mother has already passed away, and the father and brother have emigrated. With meticulousness and his own instincts, Jung begins the investigation. As a snow disaster strikes Schleswig-Holstein, he finally comes across the long-awaited hot lead.