Tatort is a long-running German/Austrian/Swiss crime television series set in various parts of these countries. The show is broadcast on the channels of ARD in Germany, ORF in Austria and SF1 in Switzerland.

The blazing love affair between aspiring writer Selma and her activist girlfriend Nore threatens to break down over differences in dealing with the emerging Nazi regime, as the lesbian community increasingly comes under fire from the National Socialists. While Nore remains unwavering in her opposition to the regime and her activism, putting not only herself in danger, the melancholy, dreamy Selma clings to her dream of security and a career as a writer – but at what cost?

Frederike Bader, a former policewoman from Berlin, currently living in witness protection in Passau, is supposed to help her ex-boss Jochen Mohn - formerly a witness protector, now head of the Passau CID - in a private matter.