Dr. Viktoria Wex tries to solve the coldly executed murder of an IT entrepreneur.

Siblings Mareike, Dietrich and Felicitas Reber can hardly believe their eyes when, after an absence of 50 years, their father Xaver, who was thought to have disappeared in Argentina, suddenly turns up on their doorstep - penniless, without a pension or health insurance and with nothing but his toothbrush in his luggage. Attempts to drop him off at the social welfare office, in a retirement home or at a highway service station fail - and so, one by one, the hard-hitting Xaver wanders through all the apartments, causing quite a stir in the families, partnerships and work of his children. It turns out that the three siblings are also in a bit of a mess, and it doesn't take long for them to realize that their freewheeling father isn't their biggest problem...

Eleven years ago, an 8-year-old girl disappeared from a small German town on the German-Czech border. Although her body was never found, nor were there any traces of blood or DNA evidence, a mentally-disabled man was coerced to confess to the crime. Even though he withdrew his admission of guilt two days later, the forced confession was enough to convince the ruling judge. The responsible investigator Altendorf was discharged so that the investigation could be sped along by another colleague.

The experienced and freelance midwife Emma is in court: Has she over-estimated her abilities and thus jeopardized the health and life of a child?

A Turkish man‘s body is found floating in the Isar. A case for the Migra Division headed by Zeki Demirbilek, AKA “Inspector Pascha”. On their first big case, the team quickly manages to get on the wrong side of Munich’s Doner King, Güzeloğlu, who’s about to marry off his daughter. Her future husband and father-in-law just arrived at their house in Munich for Kiz Isteme, a Turkish tradition, to establish the groom’s suitability, when Zeki and his team barge in.

Heidemarie pays her husband back with her last breath: one of her three children was the result of an affair, she breathes - and dies. Ulrich, a newly retired airline captain and old Casanova, gets the moths. Accompanied by the mocking spirit of his "Heide-Maus" and dog Specki, the Berlin widower jets from Hamburg via Hanover to Kassel to collect samples for a genetic test from his now grown-up offspring. It turns out that the marriages of daughter Bettina and son Christian are also on the rocks. Only his future daughter-in-law Jessica, the bride of Ulrich's flighty son Thomas, is happy about the widower's visit.

Since Nina met Daniel for the first time, she hasn't been able to get him out of her mind: he's smart, attractive and mysterious, and the two of them keep meeting again and again, seemingly by chance. Nina gets involved in an affair with him, experiences exciting erotic adventures, explores the limits of her desire - and risks her marriage to Sebastian. Then she finds out that the two men know each other. This knowledge ends up completely messing up their world...

Karlheinz, a down-to-earth Berlin contractor, loudly rails against Polish illegal workers who he claims are snatching up all his jobs. Things aren’t looking good for his small company, which is on the verge of bankruptcy. Out of necessity, he takes a low-paying job with a shady contractor. Unfortunately, it’s vacation season, so the single father has to hire a nanny for his young daughter. The charming Wanda, who is anything but a typical housewife, not only turns his family life upside down - there’s also a powerful spark between them.

When is a man a man? For Kai, the answer is clear: planted a tree, started a family, now he has to renovate his newly acquired home. Armed with the latest DIY tools, Kai and his buddies Pedro and Ulf tackle the charming old house. They are doweling, screwing and sanding for all they're worth. After all, the nest is supposed to be perfect. But to Kai's astonishment, it's not just his wife Ina who has something against the plans - the old building is also vehemently opposed to the renovation work...