The rise and fall of Milli Vanilli, a studio group assembled by German producer Frank Farian and fronted by nightclub dancers Robert Pilatus and Fabrice Morvan. After a string of worldwide hit singles, awards and performances, it was revealed that the duo never sang a note of their songs, leading to one of the biggest scandals in music history.

Sauerland, autumn 1995: In the middle of the forest on the Wilzenberg, a walker finds the body of high school graduate Sonja Risse. However, the fact that the killer left a music box with the lullaby "Hush Little Baby" at the crime scene does not lead to a clear solving. 25 years later, the investigative journalist Stefanie Schneider, known as "Mütze", made a surprising discovery in Cologne. In a disused multi-storey car park, she films an undressed corpse of a man with a music box running next to it! When her colleague Jan Römer, who reported on the spectacular Sonja case as a young journalist in 1995, recognizes the melody from back then, he immediately believes there is a connection. He goes to Wilzenberg with his ambitious colleague to interview Sonja's mother Maria, her former teacher Waldheim and her best friends. The more the journalists compile, the clearer the contradictions and gaps that the investigators should have noticed at the time.

Two murders of prostitutes in a similar way - no wonder that Commissioner Sandra Mohr suspects a connection. The obvious suspicion that a serial killer could be up to mischief in Styria is initially dismissed by her supervisor Sascha Bergmann.

The widower Danyal worries about his adult daughter Jila, even though the doctor has long been on her own feet. When the man in his mid-fifties can't reach her by phone, he rushes from Kitzingen in Franconia to Berlin with two friends. The career lawyer Markus and the entertainer Tobi, also loving fathers with adult daughters in the capital, would like to combine the friendship service with the opportunity to visit their offspring. However, as soon as they arrive, the three realize that they know very little about the lives of the young women. Jila doesn't want to talk to Danyal because she believes he is responsible for the failure of several relationships, the unsuccessful actress Tilda is burdened by her father's excessive career expectations and Hanna confronts the complacent judge Markus about a secret marriage for legally questionable reasons. The three fathers' short trip develops a dynamic of its own that also pushes the daughters to their limits.

Married couple Martin and Jackie meet an unconventional Frenchman named Serge, who both are attracted to. But will their marriage survive it?

After her fiancee cancels the wedding, Merlin's life changes drastically when she moves in with one of her brother's best friends.

A shoe theft in the ICE is the prelude to a wild kaleidoscope of relationships and dependencies between different urban people who relish as in a cobweb fidget.