 Moritz is mad at his teacher Mrs. Schmalz: first he receives a 5 (=E) for the interpretation of a Wolfgang Borchert poem as a "one night stand", then the finds out that he s a diabetic and tells this to the whole class. Moritz seeks revenge and finds his chance soon when Heike Schmalz leaves a newspaper on her table where some lonely hearts ads are marked. Moritz and his friend Jakob create an ad which must attract her attention ...