It’s 1976, Hamburg, and star reporter for Stern magazine, Gerd Heidemann, is entertaining old Nazis on board his boat – formerly Herman Göring’s yacht, the Carin II.Known for his dogged pursuit of a scoop, Heidemann’s patch is slowly but surely shifting from war reporting to gathering old Nazi tales. He’s getting obsessed.One of his contacts links him up with a memorabilia collector in the south o… 