Dark Woods(2020)

Dark Woods is a German crime series following Thomas Bethge, a Hamburg police chief whose sister vanishes without trace in the summer of 1989. For nearly thirty years, Bethge pursues the cold case alone, driven by personal loss and professional obsession. When a serial killer emerges as a suspect, the investigation takes a dark turn, forcing Bethge to confront the possibility that his sister's disappearance may finally have an answer. The series blends procedural tension with the psychological toll of unsolved crime, exploring how a single case can define a detective's entire career and haunt a family across decades.