When some bullies throw sand at her, Sophie (Nina Schweser, 10) unabashedly strips off her swimsuit and washes off naked in the sea. Then she casually comes out of the water, wondering why everyone is staring at her.
The twins wonder what a "Flittchen" (hussy) is and what kind of things such a woman does. So Kulle hides in some neighbour's bedroom to watch what's going on... The woman brings a man home and they are just about to start having sex, when they discover the boy's silhouette.
Frank (Tobias Raue, 15) spies on couples cuddling by the side of a lake through binoculars. He then takes his trunks off and jumps into the water naked, with brief side and full rear nudity.