Morden im Norden is a German Police that has been broadcast by Das Erste. The show is set in Lübeck, Germany Morden im Norden is part of a series of commonly branded shows with similar themes called "Heiter bis tödlich".

The story is about six vacationers Tom, Anna, Liv, Victoria, Flo, Lenny and Jack, who have jobs in hotel 13. Tom is an inventor who has been given the message to go to hotel 13 and find room 13. Anna and Liv help him with this. There they find a passage to a dusty room with a strange mechanical device. This turns out to be a time machine with which they can go back in time. But if they change something in the past, the future can be changed with it. Jack and Mr. Leopold are constantly on their heels and they want to find room 13 too.

Can you tell the difference between fact and fiction? Several stories of strange, mysterious and incredible occurrences are chronicled during each episode. It is up to the viewer to decide which stories actually happened and which were completely fabricated by the show’s writers. The answer is revealed by Jonathan Frakes at the conclusion of each episode.