Flätscher shakes up the school. Flätscher, the coolest skunk in town, has to go to school! Assistant Theo is in deep trouble: the last math test has been stolen, and now the teacher is threatening with an extra difficult retake. If Theo messes that up, he’ll have to go to the creepy tutoring center, and then the backyard detective agency will lose its best employee. There's no question that Flätscher must step in and catch the thief! But school is a dangerous place for a skunk: when Flätscher isn't being chased around the building by the janitor, he has to remain motionless as a stuffed animal during biology class. Flätscher fears no danger and relentlessly follows his brilliant nose.