After a missed call and a disturbing voicemail from his former colleague Hella Christensen, investigator Simon Kessler sets off for Nordholm. The commissioner is aware that something bad must have happened. When Hella's sailing boat is recovered at sea, traces of her blood and her cell phone are found on it, but there is no trace of the former commissioner herself. A SOKO, headed by the new police commissioner Lena Jansen, takes over the investigation. The investigative team not only has to solve Hella's disappearance, but also the death of 15-year-old Viviane, who was found in the woods by her friend Charlotte Broder and probably died of a drug overdose. Kessler realizes how little he knew about the life of his former colleague. After years, Hella's sister Rieke Lehwald suddenly appears with her husband Paul. Do the two have something to do with Hella's disappearance? Is it about an inheritance or a relationship act?
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?
Carla Michelsen has had enough. Each of her three children will get 250,000 euros if they sign a contract she’s drawn up to disown them. Will they go for it? Philipp, the youngest, desperately needs the money, as he’s lost a fortune through speculation. Rita takes a while to decide, but eventually also accepts this sudden break. The only one who vehemently resists it is Doro, the middle child; she values the family unit. While the siblings can’t handle staying with their mother and prefer to stay in a hotel, Doro’s daughter, Joe, stays with her grandmother. The two get along well. When Joe confesses to being pregnant, however, Carla straightforwardly advises the granddaughter to have an abortion. Joe is horrified. In a rash move, she takes off with some of the money — with unforeseen consequences.
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.