For 17-year-old Jennifer, gaming has always been part of everyday teenage life. Recently she has been feeling uncomfortable and lonely. Not so long ago she moved to Munich with her parents Frank and Ariane from another city. In her new home, the girl does not find a real connection with her new classmates. Fixed by the virtual reality game "Avalonia", gaming is gradually becoming the elixir of life. Jennifer neglects her school and family responsibilities. She ignores all admonitions, restrictions and prohibitions for every precious second of the game and betrays her parents. Only the secret, excessive immersion in the virtual fantasy world of "Avalonia" seems to make Jennifer happy. The Parents have to watch as their daughter's life gets completely out of balance between the real and the virtual world.

Frederike Bader, a former policewoman from Berlin, currently living in witness protection in Passau, is supposed to help her ex-boss Jochen Mohn - formerly a witness protector, now head of the Passau CID - in a private matter.

Liv Mehlmann wants to throw an unforgettable birthday party for her daughter Alicia (14). But when she sends a message to the "Holy Moms" chat group that the precocious Rosie will also attend the party, the helicopter moms freak out. Rosie is not a good influence, she's got to go, immediately. Liv becomes a tool for social exclusion and ends up being marginalized herself. Teenagers don't have it easy. But mothers, whose social status is wavering, get their just deserts, too.

A man in search of his son: Adil Bahdari comes from Berlin to Passau after a fisherman finds an expensive watch with a dedication on the back on the banks of the Danube. The watch was a gift from Adil Bahdari to his son Ahmed, whom he has not heard from for some time. He hires private detective Ferdinand Zankl to search for his son.

When David visits his family for Christmas, a family encounter of an especially evil kind awaits him. Ironically on Christmas Eve, he realizes that his family has abandoned all sense of brotherly love and liberal values. They are afraid. Afraid of change, afraid that something will be taken away from them. David can’t handle the latent racist talk and shirtfronts his parents. The fact that his father, the very man he has always looked up to, is now spewing right-wing propaganda, shocks him. David cannot simply ignore it.

Bavarian allotment tyrant Gerti has had enough. Her once sweet little granddaughter Merci has turned into a pubescent monster. Now Merci is also falling in love with Berlin hipster beau Simon, of all people, who has recently started chilling out in the garden next door. Gerti now fights the troublemaker in her allotment garden colony with all means at her disposal.

The missing person case of a young woman leads Seeler to a Croatian island to a mysterious connection that uses hypnosis to treat people with mental trauma. The investigator experiences for himself how dangerous "false" memories that feel "real" can be when he dives into his subconscious.

Private detective Ferdinand Zankl is arrested by the Passau police on suspicion of murder. He is suspected of having killed his ex-girlfriend, an animal shelter manager.