Nobody is really looking forward to Christmas this time, and someone is up to mischief with naughty pranks. Sascha gets to the bottom of the matter and learns that the pranks are the work of Rosalinde, the fourth of the Christmas elf sisters. Fourth elf? Rosalind has fallen out with her sisters and casts a curse that turns all Christmas creatures into children. Now Christmas is in danger!

A summer's day on Lake Chiemsee: children discover the body of a man on a sailing boat. Inspector Hattinger and his colleagues from the Prien police start investigating. Shortly afterwards, a second body is found: The author Annette Kaufmann has been murdered in her vacation apartment. It is a serial murder, the perpetrator seems to know Inspector Hattinger personally and provokes him with bloody clues. There has been a fateful connection between the two murder victims for decades: Both are partly to blame for the death of a young girl who lost her life due to a doctor's blunder.

Simon falls head over heels in love with pretty and quick-witted Verena. When his father, who suffers from schizophrenia, has a relapse, Simon devotes himself completely to his mother and little sister and endangers his budding romance. Maneuvering himself into a near-fatal situation, Simon realizes that he cannot change the others' lives, but only his own.

On her run-down farm, Ursula Kammler discovers her brother's body. The two have shared, lived and worked on the legacy of the Chiemsee. For years now, colleagues from white-collar crime have been filing a case over Joe Kammler's strange business practices, but they have not been able to prove anything to him. Sarah Beck, the murder victim's secretary, is helping Hattinger, the network of business relations to finally see through: The murdered seems to have made common cause with a dubious banker. Sarah's erotic charisma attracts the Commissioner visibly in his spell ...

Anne mourned the loss of her son Lukas, who was born with a genetic disease and died six years ago. With the encouragement and support of her boyfriend Daniel, she decided to sell her house and emigrate to La Palma. But it is not only the dissolution of the former family center that brings back many memories - her grown-up daughter Helen has also returned to Germany from the USA.

Hanna doesn’t believe in relationships anymore. The young woman lives wildly and without restraint. She stubbornly avoids any intimacy. But when she meets Tim at a party one night, everything changes. The young man challenges Hanna.

Following the phenomenal success of “The Threepenny Opera”, the film industry wants to win over the celebrated author. But Bertolt Brecht is not prepared to play by their rules. His concept of the “Threepenny Film” is radical, uncompromising, political, and incisive.