Freddy and his wife Juliana leave the comfort zone of Constance and move to Berlin. With Grandpa Fritz in tow, the Kleemanns move in with Grandma Regina. Unlike his sister Zoe, little Niko is happy to be living with his grandparents. While Freddy and his trusted colleague Lara finally want to implement their own concept as daycare center managers, Juliana sees an unexpected stop sign in her career as a doctor: she is unplanned pregnant! Now a difficult life decision has to be made: a third child does not fit into the current family and couple concept of two full-time professionals.

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!

Paul leaves home with his best friend Max on the first day of summer vacation. Following in the footsteps of Paul’s missing father, the boys venture into the forest of the Swabian Alb and into a mysterious cave. For the first time in their lives, they truly feel carefree surrounded by forest and mountains. But the adventure challenges that await them are much bigger than they thought.

Empathy is a two-edged sword, especially for Martin. Tormented by the past, haunted by the present, the chief inspector is a brilliant investigator and, together with his team, solves the most convoluted cases. From kidnapping to hostage situations, to murder. Unable to eat or sleep until a case is solved, they all take their toll.

Freddy Kleemann from Constance, who has moved to Berlin involuntarily, doesn't get much of the capital city feeling. While his heavily pregnant wife Juliana feels abandoned by him, his business partner Lara wants more commitment from her daycare center. Not only do the children need to accept the innovative concept with quiet rooms more readily, but the parents' tempers are also running high, much to Freddy's chagrin. His father Fritz, who suffers from dementia, worries him greatly. Freddy senses that the joint search for the right facility could be the last conscious father-and-son project. Accordingly, he wants to take his time and savor the intense moments. Freddy's mother-in-law Regina is supposed to provide relief for the Kleemanns. She likes to be there for others, but would like to be pampered again herself. Perhaps a new acquaintance would do her good? That's what her grandchildren Zoë and Niko think when they secretly register their grandma on a dating platform...

Katharina Bruckner, 50, has to deal with many serious cases in the youth welfare office. Even at home she is under stress: Her husband, a surgeon, she sees arm in arm with a younger. And her daughter, who has to go to Marrakech for work, quickly incurs her grandson. In this situation, school psychologist Schubert asks her for help: The city-renowned architect Bremer has appeared with him with her seven-year-old son because of its over-activity in school. The boy looks scared, claims that the Bremer is not his mother, suddenly seems to have disappeared.

An in-depth look at how fascism hides behind facades of a tolerant, intellectual and open-minded society.

Sophie Haas and her team are forced to state everything they know about the committed crime in the nearby village.