Twelve-year-old Martin is a little too small for his age. Too thin and too quiet, as his mother is unfortunately always reminding him. He and his blue baseball cap are joined at the hip, or rather, at the head. Martin and his parents have just moved to the quiet little town of Bellbach. A new home, a new school, but no new friends. Even on his first day, there’s trouble...

After the death of his mother, 12-year-old Moritz begins to act in ways that distress the aunt he is living with, so she packs him off to Spain to be with his father. At the airport he meets "Don Quichote" - or is it? The lost boy and the deluded man have some adventures, all with a happy ending.

Eva Simon is actually a woman who can not be shaken by anything: Together with the family of her son Theo, she lives contentedly on a former farm in the picturesque Rheingau, where she practically does the housework on her own and takes care of her grandchildren Lilli and Nico, while Theo and his wife Marlene pursue their professions. But that the young, fun-loving photographer Jonathan Wolf is now moving into a side building of the courtyard and setting up his studio precisely where Eva once ran her beloved cabaret - that's too much for the self-confident woman in her mid-fifties.

At first, friendgroup TKKG have no idea that something is amiss when “Jugend forscht” winner Kevin behaves strangely during the presentation of his “Mind Machine” - they blame his nervousness and his unexpected termination of the speech on relationship stress with his girlfriend Nadine. But when Nadine disappears without a trace shortly afterwards, like three other children before her, the amateur detectives know that they have to help the police with their investigation.

Wernher von Braun has been given many superlatives: "Columbus of space", "most important rocket scientist", "father of the moon flight". But fame as a space pioneer is only one side of his biography. Wernher von Braun (born in 1912) made a pact with the Nazi regime. During Hitler's war of annihilation, he built the V2 rocket for the dictator. Just 33 years old at the end of the war in 1945, he was able to continue his career seamlessly in the USA.

In the loneliness of the Lower Havel lowlands, one of the last bird paradise in Germany, twelve-year-old Lea lives alone with her father Lutz, a passionate environmentalist. She is on the cusp of adulthood, confronted with the challenges of the present and the pains of the past. She often feels lonely in the childhood-remote world in which she lives, in which schools are closed and people leave. Even the father, who has withdrawn from the world, is increasingly becoming a problem for Lea, who longs for fellowship.