In the near future. Many things are like today, one thing isn't: The number of terror attacks has increased so rapidly that any gathering in public is prohibited. Any form of culture and most of human interaction is mediated by an electronic device. The psychologist Claire decides to break the isolation and plans a secret concert with her brother Aurel, a famous trumpet player who has performed concerts in front of virtual audiences only for years. Supported by the hackers Ada and Maximus, their plan seems to succeed. Things go well. Until something else starts to go deeply wrong.

A backyard somewhere in Germany. In the midst of it, two women throwing garbage bags at each other. What happened? Lilly, a student and keen environmentalist, finds plastic bags in the organic waste. What a bloody scandal! Quickly, she inspects the contents of the bags and finds sesame rings. She puts two and two together: It could only have been the baker, Ayse.

The Afro-Berliner DJane Sweety, the Italian karate teacher Gino and his German half-brother Ninja are in deep trouble. They fight for survival: Against a powerful mobster and two nasty real estate sharks who demand a lot of money from them. They only have one week left.

A seriously injured man calls with his last strength for special investigator Alexander Haller. It's his friend and former colleague Scherf, who until recently was in prison for the murder of his wife. When Haller arrives at the hospital, the dying man can only offer him two enigmatic requests. A new case begins for Alexander, one that reawakens old doubts.

Fifteen-year-old Gabo seems like a regular teenager who goes to school, plays video games with his best friend, and does other things a normal teenager would do – except he’s not. He has tendencies he knows to be wrong, but cannot control. He befriends Dave, a much older man with his fantasies. Lines soon start to blur between a trusting friendship and being groomed. Once Dave is arrested on suspicion of statutory rape, Gabo must suddenly decide whether to testify against his mentor with the risk of exposing his secret.

A man and his ship are sunk in Lake Constance and the dead man's son is missing. For the detectives, he is the prime suspect. Until an anonymous tip-off about a prisoner hidden in a box turns up...

17-year-old twins Mia and Jakob are distraught: their father died unexpectedly the night after his 50th birthday. Suicide, at least according to the police investigation. Mia and Jakob cannot accept this; unlike their mother, they are convinced that someone else must be responsible.

Inspector Dupin finds himself entangled in several mysteries at once: the discovery of a corpse on a remote Atlantic island, the mystery surrounding a Celtic musical instrument, and the search for the true cause of a tragedy.