The story revolves around a crew member of a spaceship who is murdered. The remaining crew-mates lock themselves in the cafeteria after the murder to figure out who the murder is. The tension in the room is like crazy as everyone becomes suspicious. Apparently a mysterious virus would turn people into killers.

Kim and Maja, two physiotherapists who are friends, are planning to open a practice together. To finance their dream, they are working part-time at a hostess agency that offers jobs in the restaurant industry.

Marcel, a discouraged paraplegic struggling with day-to-day challenges, is the only witness of an epileptic seizure and has to intervene on his own in order to help a stranger.

A dream comes true for Anne Bruckmann when she travels to Denmark with her husband Norbert to visit the sperm whale grounds at the North Cape in Norway. But then, shortly after arriving in Sønderborg, Denmark, a serious argument breaks out - with the result that Norbert, already exasperated, breaks off the vacation, while Anne wants to continue the trip alone. Left to her own devices for the first time in her 40-year marriage, Anne finds a good friend and admirer in the sensitive marine biologist Konrad.

Alice Cordes is to spend Christmas with her boyfriend Nicolas Huber's family in Upper Bavaria. Although the Hamburg chef no longer has parents herself, she initially reacts hesitantly to the invitation: a family celebration? But they haven't known each other that long. Unfortunately, their journey together comes to nothing: Nicolas is held up by work and has to join them. Alice only finds out about this at the train station in snowy Bavaria.