Inspector Sörensen has finally retreated to the Frisian province, but he still has to contend with his own inner demons. Loneliness, insomnia and inner restlessness plague him, and although he does everything he can to stop taking his medication for the anxiety disorder, he remains trapped in his psychological torment. One dark night he almost runs over a young, disturbed woman on the country road. She is malnourished, wears only a nightgown and is blind. After she finally reveals her identity to Sörensen, a web of murder, religious madness and well-kept secrets begins to unfold before him. Sörensen is overwhelmed, not only by the shocking situation, but also by his own demons, which are gaining power over him again. The villagers reject him, and as fear takes hold of him again, he will soon realize that it won't just be a corpse.

Christmas Eve. Airport Santa Thorsten has his hands full: An accident and bad weather lock everyone in as they are trying to make it home last minute! Small dramas play out under the eyes of Thorsten’s tyrannical boss, the airport manager: Secret lovers Martin and Eva are in a tight spot, when Martin’s family shows up. A retired couple can’t spend Christmas with their loved ones. Waitress Anja’s boyfriend suddenly falls for her old school mate. Helicopter mom Jette keeps fighting with her husband, when her son runs away. In the middle of it all is Thorsten, and it’s his job to keep them all happy. But that’s what Santa's are made for!

Luna Kunath (Caroline Erikson) and Tamara Meurer (Anjua Pahl) work together in the Potsdam murder commission. Luna is single, strong, assertive, funny, empathic, sporty and fast in the head. It is an excellent policewoman whose carefree always accompanies with a little naivety and brings you again and again in brenzy situations. Tamara, however, has more mature, adult. The two of the boss Bernhard Henschel (Michael Lott) and the colleagues David Grünbaum (Omar El-Saeidi), Christoph Westermann (Hendrik von Bültzingslöwen), lail-sure Thomas Brandner (Yung No) and legal physician Werner Vense (Bernd Stegemann). Potsdam, Berlin's pretty little sister, confronts the commissars again and again with a wide variety of life effects. However, the team not only determines in Potsdam, but must always be out of the surrounding area. Because the crime does not stop at the city limit.

Heiko Schotte (Schotty) works for a cleaning company, cleaning all kind of crime scenes. There he sometimes meets weird people and tries to solve difficult situations.

Polizeiruf 110 is a long-running German language detective television series. The first episode was broadcast 27 June 1971 in the German Democratic Republic, and after the dissolution of Fernsehen der DDR the series was picked up by ARD. It was originally created as a counterpart to the West German series Tatort, and quickly became a public favorite.