Youssef's niece Saida finds her boyfriend, the young doctor Hagen Hoffmann, slain in their shared apartment. Based on the victim's computer activities, the police assume that the crime was committed in a drug environment.
The wife of the Düsseldorf Police Council Rainer Bachmann is kidnapped. While trying to save his mother Monika, the adult son is shot dead. His widow Nicola desperately seeks support.
Mia, Keks and Ian are at a turning point in their lives, searching for happiness but not sure of what will happen if they actually find it. Over a long night in Berlin, their storylines weave into one another.
It's Lene's first day back at work after some time off. Friends and acquaintances, regulars and strangers come to her jazz and blues bar. While Lene is waiting for Danish musician Leif, who is scheduled to perform tonight, the guests discuss all kinds of topics, ranging from pop music by elves and invisible cell phones to maggots eating away at corpses. But what if Leif doesn't show up at all?
Martin and Eric grew up in a small village in Mecklenburg-Vorpommern. They have been friends since they were little boys and met when they were fishing, and from then on went to the lake together every Sunday. But their friendship is also marked by rivalry, because on one of their trips together they also met Frenni, who both fell in love with. The three of them roamed the woods and fields as children and remained friends when they grew up and Frenni got together with Eric. The couple is inseparable and very much in love, and this great love and the friendship of the threesome is only repeatedly tested by the drunken attacks by Eric’s unpredictable, aggressive twin brother Basti.
During a dress rehearsal for a fashion show, the model Nastja believes to have seen a murder. The victim is her friend Kira, but there is no trace of her. The detectives Anne Marie Fuchs and Youssef el Kilali, however, soon come across the body of the young woman in a clothes trolley belonging to the fashion company and begin to investigate.
Youssef's cousin Jamila is said to be forced into marriage, but at the henna evening the German groom is disfigured with baseball bats. Soon afterwards, Youssef and his fellow detective Anne Fuchs find Jamila's secret lover - dead.