Katja and Tom are madly in love and spending a lot of time at Tom’s house. Adrian seizes the moment to throw wild parties, much to Katja’s dismay. Meanwhile, on a walk, 9-year-old Stella leaves her little brother Moritz in the woods right by a wasp nest, the occupants of which she had riled up quite a bit shortly before. Driven by fear and excitement, Stella runs away. Can Moritz be saved in time?