After eavesdropping on one of Kim's conversations, Ron misunderstands and thinks she's going to dump him for someone better. To prove his worthiness as a boyfriend, he steals Kim's super suit to use in the upcoming football game…with disastrous results when Dementor comes calling.

When the Tweebs are advanced through school they end up at Middelton High with Kim and Ron much to Kim's chagrin. Although she doesn't like them on "her turf" at first, she must learn to work with them as she investigates a series of thefts surrounding a wealthy celebutant.