Grandpa Oskar takes neither the truth nor himself very seriously. The rascal has just been released from prison, where he was serving a sentence for imposture. Since the ex-con needs a place to stay, he quartered himself in the old construction trailer in the farthest corner of the garden of his daughter Tilda, who is still mad at him. The senior soon meets his autistic granddaughter Fanny, whose antics and peculiarities threaten to break the family under. In contrast to the old man, the 8-year-old takes the truth very seriously. In order to gain their trust, Oskar does not introduce himself to the comic-loving girl as the criminal grandpa, who has been missing for years, but as Professor Krypton. For Fanny, who prefers to wear a brightly colored superhero costume and is teased at school for it, the omniscient mentor from the Superman planet comes along just at the right time, because she has a dream: To win the talent competition at school!

Excitement in Frühling: while feeding the dogs, the owner of a kennel, Anton Lachner, collapses unconscious. While he needs immediate surgery in the hospital, the dogs are running away in all directions, causing a commotion in the village. Katja is asked for help. While searching for the four-legged runaways, the village helper notices a confused young man who thinks he has run over a dog. A little later he becomes a serious threat to her. Adrian is also endangered: After the death of his father, he loses more and more control over his life. Even girlfriend Lilly can't stop him from his hour-long escape into the computer world.

Lolle's love life in Berlin is as complicated as ever. After the story with Sven, her second cousin, was over, she got together with her best friend Hart and the two are about to get married. That is, if Sven doesn't ruin things.

The tale of Siegfried, a fearless dragon slayer who wins the heart of Celtic beauty Kriemhild.

Mark Demski (Jan Sosniok) discovers his girlfriend is cheating on him and thinks it has happened because of his small penis. Sad, he dumps the girl and promises himself never again to fall in love, but he fails. When he encounters Lara Singer (Doreen Jacobi) he must fight with his own fears.