For Neele and her life partner Steff, the dream of having one's own child finally seems to come true: Steff is pregnant. However, there was a confusion in the artificial insemination - instead of their carefully selected sperm donor, they caught a sperm donation from a gay couple: Kalle and Jens also want a baby and consider the confusion as a kind of coincidence. While the two men look forward to their time as active fathers, Neele and Steff see their harmonious trinity at risk.

The Flensburg vocational school is in a crisis mood: unless a miracle happens at the open day, the gastronomy class is threatened with extinction! Principal Katharina and her teaching staff have to come up with an idea to get the necessary registrations. What could be more obvious than relying on the show talent of guest lecturer Erik? The food blogger's idea of processing a beef from head to tail promises to be a live spectacle. However, the free spirit goes it alone. Without consulting the structured director, he invites her sister, celebrity chef Antje Beringer, to be his star guest! Now Katharina, who has broken up with her, has to face an involuntary reunion.

Katharina Hendriks loves her job as headmistress of a vocational school. However, cutbacks threaten to spoil her job, as does the arrival of her brother Erik as a guest teacher. Their visions clash and this has consequences not only for the atmosphere, but also for the pupils.

An invitation to an old childhood friend's 40th birthday throws the Baumgartners' hitherto happy life into disarray and makes them question their previous concept of life. Marie and Markus Baumgartner are a picture-book couple. But everyday working life and two children make it hard for the couple to catch their breath. An invitation to the 40th birthday of Marie's former best friend from school, Heike, including a long weekend, comes at just the right time. Without further ado, the Baumgartners hire Grandpa Walter as a babysitter and travel to Marie's old Bavarian home. The surprise on the spot is huge: Heike has achieved everything the two friends had once dreamed of. The chubby duckling has become a beautiful swan and she is living her dream job as a photographer. She lives in a dream house by the lake with her smart husband Hans.

Munich, the city of singles and unfulfilled desire. Whoever feels like having a one-night stand can just use Safari, a new dating app. But is it also possible to find love via the app? Harry at least meets Lara through Safari, even though he’s married to Aurelie.

She gets short of breath from incense cleansing rituals, dream diaries, wish lists that are supposed to be thrown into the fire bowl and other such esoteric hocus-pocus. At a winter solstice party thrown by her older sister Svea just before Christmas, the more rational climate researcher Liane encounters a world that is foreign to her. The scientist meets Mani, who is walking the spiritual path and who somehow fascinates her despite all the differences. Her relationship with her long-time boyfriend Philipp is less good. After an argument, he flies to Gomera alone. She stays behind, not only worrying about the weather being far too warm, but also has to put up with her Christmas-crazy neighbor and his family and receive her conspiracy-obsessed in-laws-to-be while Mani stays overnight with her. On Christmas Eve, fate and the weather really start to shake up Liane.

Horst Schlämmer is back—and he's fed up. People all over Germany are in a bad mood. So he leaves Grevenbroich and sets off in search of happiness. It must be somewhere!