Blind ermittelt: Die nackte Kaiserin: While inspector Alexander Haller relies on his investigative instincts, his partner Nikolai Falk has to overcome irrational fears. Screenwriter Nils-Morten Osburg uses the admiration for the Habsburg monarch, who, out of vanity, did not allow herself to be photographed for decades, as the background for a sophisticated story about a photograph that should never have been taken.