In the summer of 1989, the sister of Hamburg's LKA chief Thomas Bethge disappears without a trace. For almost three decades, he investigates the mysterious criminal case, before he gets on the trail of a serial killer.
Overview：In the summer of 1989, the sister of Hamburg's LKA chief Thomas Bethge disappears without a trace. For almost three decades, he investigates the mysterious criminal case, before he gets on the trail of a serial killer.
