Klaus Burg and his 18-year-old daughter Alina live in the witness protection program and have built up a new, modest existence in a remote fishing village in Iceland.

During their tour, Werner and his colleagues Tarik and Ralle get in the way of a young man who wants to "steal" expired groceries from a supermarket container

Mercurius haunts the village. Dr. Malick Roth and his sister, herbalist Eda, want to capture him again, with the help of their students Sophia and Jakob.

A husband has to cope with his wife being comatose after an accident.

After more than 20 years, the marriage of Bevon consultant Thea and car mechanic Rainer has been worn down by years of routine. Thea lacks appreciation from her family and no longer has access to her teenage daughter Janina. Her husband Rainer is still mourning his missed chance of a career as a rock star and is hopelessly at odds with his son Patrick. When Heinrich Bittner, a supposedly close friend of Thea's deceased father, suddenly moves in with the Cronpichels, Thea enjoys his presence and begins to see her life with new eyes. But is the charming and mysterious Heinrich really who he claims to be?

Stockholm ex-criminal inspector Erik Bäckström wants to retire in his northern Swedish homeland. However, his experience is soon needed in the remote province.