Agnes and Gregor have had a happy marriage for 15 years. No crises, no affairs, no weariness. They looked for each other and found each other, say their friends Conny and Bernhard, who fight a lot and often. If a marriage is harmonious, it is this one. However, when Agnes became socially involved in addition to her job, the distribution of roles in the family, which had worked well for years, was thrown out of balance. The change in their relationship leads Agnes and Gregor into their first major crisis, which neither of them can deal with. They are shocked to find that they are about to lose love.

Nina Hausen, head of an escort agency, is attacked by a stranger on her nocturnal walk with the dog in the forest. Only with difficulty can she escape him by touching him with her car and seriously injuring him. On the way back she finds in her car a bag of diamonds - apparently the ransom from a case in which a boy was kidnapped. Under pressure from a colleague reports Nina Although the robbery of the police, the diamonds but suppresses them. But that's where their problems really start ...

Harriet Devonshire left school because of her unwed pregnancy and still lives with her dad Ronald. Only when he arranges for her teenage son Matthew to be enrolled in the same boarding school without consulting her, she leaves, only to find he obtains custody and she stands no chance of contesting it without a steady job. New York star photographer Leo Purbright takes her on as factotum, perhaps a shot at a real career, but his jealous assistant adds to the practical problems to square work with Matthew's present needs, miserable as bully Tommy's picked target.

Georg and Regine Schlegel, both behavioral scientists, are involved in a traffic accident while their three adult children make preparations for their 40th wedding anniversary. The fact that there appears to be no will and that they all have very different ideas about what should happen to their parents' house reignites old conflicts.

Heinz Gödicke is the chief commissioner of the People's Police in the small town of Eberswalde in Brandenburg. Gödicke is called when two bestial murdered children are found in the forest. The investigator tries to get involved in the perpetrators - a rarely used method at the People's Police - and the perpetrator so on the track. The Stasi-Major Witt is no friend of this procedure and leaves the commissioner only reluctantly free hand in the investigation. The matter does not go to the authorities fast enough and is then simply put to the files. When another murder occurs, it becomes clear that Gödicke was much closer to the enlightenment of the act than everyone thought.

Hannah and her husband, the insurance agent Reinhard Petzold, initially lead a quiet life in Swabia. However, when daughter Lina goes to Berlin for a weekend and Hannah and Reinhard secretly follow her, this throws the orderly family life into disarray. In Berlin, the couple stumbles from one chaos to the next...

Möhnstedt is a paradise for parking offenders and speeders - village policeman Klaus Burck turns a blind eye to such offenses. Much to the astonishment of his new colleague Eva Mann, who has just graduated from police school and doesn't understand such leniency... When Jutta Krohn reports her daughter Nina missing one day, the village lethargy is suddenly over. A short time later, her body is fished out of the village lake. Nina, a nightclub dancer, attractive but unapproachable, died after having sex with three men. When the trail leads to the powerful bakery owner Jansen and his sons, the police suddenly have half the village against them...

Charlotte, in her early 70s, is not a woman to fool. With energy and assertiveness, she leads the family-owned company since the death of her husband. But lately, irritating incidents are piling up: Charlotte gets bumpy, forgets appointments and messes things up. Alone Katrin, the life partner of her son Markus, speaks out, what nobody wants to admit: Charlotte suffers from dementia. But even though she herself feels that something is wrong with her, the proud woman refuses any help. Until the situation threatens to escalate.

Starnberg. An idyll with fangs. This is where police master trainee Ariane from Dortmund ends up. Inspector Lu takes her firmly under his wing. Her first cases are typical and strange: the Kini is found dead in the lake - again. And then Sisi is kidnapped.

Richard and Amira have long been friends. Together with their partners Livia and Martin and their children, they spend every summer holiday in the Algarve. But this time everything is different: Amira can’t get away because of her job – and Livia finds out that her husband Richard has a lover. Holiday together? Impossible! On the other hand: why should they all go without? So Livia und Martin head South with the kids. There they find out that they don’t really know each other and aren’t even really friends. Or are they in fact more than that?