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.

In his coastal village, Nemo is an outsider. With his diving suit and the huge helmet, he looks different than everybody else and won't fit in. But his life is about to change when he meets Laika, an astronaut.

After a fruit fly flies into her roommate's eye, the protagonist sets off on a journey through her brain to remove the intruder.