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.

Grumpy widower Walter lives alone with his dog in Regensburg and spends his time writing restaurant reviews on the internet. But when he meets his old childhood sweetheart, art professor Alice, whom he had unsuccessfully proposed to 40 years earlier, his life changes radically once again.

Jakob Sesam is the once successful creator of the children's TV series Hello Spencer. Twenty years after the last episode, he lives with his puppets in a dilapidated discotheque, but now this last refuge is also in danger of disappearing. Sesame and his puppets have only one chance left: they must quickly raise 10 million to stop the demolition excavators.

The gruesome death of a young woman confronts target investigators Hanna Landauer and Lars Röwer with an unusual challenge in the frozen Swedish north.