Marianne and Günter, a married couple in their seventies, have completely forgotten why they once fell in love with each other. On their wedding day, they want to get their memories back using a supposed "miracle pill" against forgetfulness.

A depressed entertainer wants to conquer the stages of the world. He has only one problem: no one knows him. His ambitious sister wants to change that. She organizes a film crew to record his glamorous rise, but instead deep abysses reveal themselves behind the facade.

Unemployed Nikki (37) is taken to a movie set for the first time by his uncle Olaf (67) as a security guard. But the seemingly casual job of briefly stopping a few pedestrians and motorists during the takes turns into a series of failures.

Katharina, a young lawyer from rural Kleinpenning, has made it big in Munich by her own efforts. Only her relationship life can be optimized, because the attractive single woman has the highest standards: even in this cosmopolitan city, only twelve candidates are suitable - purely statistically speaking! And none of them have been on the carefully selected online dates. The possibility of meeting Mr. Right in her home town and by chance would never occur to the woman from Munich. When Katharina has to look after her mother Johanna after a fall at home, she hires Mike to renovate her parents' house to make it suitable for senior citizens. The fact that her mother immediately takes a liking to the good-looking master carpenter as a potential son-in-law is actually already an exclusion criterion for Katharina.

A mysterious phone call puts Kluftinger and his colleagues Maier and Hefele on the trail of a brutal series of murders. A serial killer who cuts out the hearts of his victims and drapes them macabrely at the crime scene is up to mischief in the Allgäu. There is hardly any time for Kluftinger's own worries, the chest pains that are making his life hell.

12-year-old Ranji is new in Berlin. His big dream: Bollywood. A casting call in Mumbai is the chance. However, Ranji has to overcome a few hurdles: Finding friends, making a video, traveling to Mumbai without his parents and - last but not least - believing in himself.

Alice Cordes is to spend Christmas with her boyfriend Nicolas Huber's family in Upper Bavaria. Although the Hamburg chef no longer has parents herself, she initially reacts hesitantly to the invitation: a family celebration? But they haven't known each other that long. Unfortunately, their journey together comes to nothing: Nicolas is held up by work and has to join them. Alice only finds out about this at the train station in snowy Bavaria.

Bavaria's most laid-back cop returns, juggling parenting and working at the family farm with the reopening of a grisly cold case.