Am grünen Strand der Spree was a five-part German television movie which first aired in 1960. It was based on a novel by Hans Scholz and has been called a Straßenfeger in German, a television program that was watched by so many, the streets were empty. It was produced by German broadcaster Nord- und Westdeutscher Rundfunkverband in Cologne, Germany.
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.