On March 25, 1996, the publicist Jan Philipp Reemtsma is kidnapped. His son Johann and his wife Ann Kathrin witness how their home is transformed overnight into a police control center. Two police officers, the family’s lawyer and a close friend form a community of fate, united by their common goal of bringing Johann’s father home as quickly and unharmed as possible.

The story centers on tough police officer Alex Steiner, whose brother Tommi is shot in an assassination attempt and ends up in the emergency room of the sharp-tongued young doctor Rita. While Alex tangles with a cold-blooded underground organization in his hunt for those responsible, Rita discovers that the bullet in the young man's body isn't the only reason for his condition, which is deteriorating by the minute. Alex and Rita find themselves in a race against time, and with every new clue, they get closer not only to the diagnosis and the perpetrator, but also to each other.

At a climate research station in the Alps, the scientists are stunned as the nearby melting glacier is leaking a red liquid. It quickly turns to be very special juice — with unexpected genetic effects on the local wildlife.

Dirk Reimann was actually supposed to appear as a keynote speaker at a start-up pitching event. Instead, he is found murdered by a punch to the back of the head. Laim and Simhandl take up the investigation.

Luisa returns to her parents' home when her father becomes bedridden. She's expected to help her mother deal with the drudgery of caring for him, but their relationship is tense and the physical contact with the man proves to be unpleasant for her. In quiet moments she remembers scenes from her childhood Long repressed and forgotten memories force their way back into the present, until a final realization brings a family secret to light.

A series of bizarre deaths shock the city of Hamburg: Mummified corpses are discovered in school basements. The local police enlist the help of Germany's most popular case analyst, Martin Gaitner. Inspector Danowski can't stand his colleague and doubts his theory of a lone perpetrator who was traumatized at school.

Three couples arrange a dinner between friends. But no one is really in the mood for a reunion, as there are still some unspoken conflicts in the room.

When his partner Susanne Koch is not lying in bed next to him as usual in the morning, Inspector Martin Brühl knows immediately that something is wrong. What he doesn't know is that Susanne has witnessed a crime on her way home at night. She was seriously injured when an ATM was blown up and was quickly taken away by the perpetrators.

After the second world war two brothers, Theo and Karl Albrecht take over their mother's company and change it into a highly profitable ALDI self service basic groceries store expanding over many countries.