As senior year begins, Bonnie is surprised that Kim is still dating Ron and advises her that as a senior cheerleader, she should only date an athlete. Kim attempts to reassure Ron that she doesn't plan to take Bonnie's advice. However, Ron misunderstands an overheard conversation between Kim and Monique and decides that he has to join the football team in order to maintain his relationship with Kim. Meanwhile, Professor Dementor is taken by surprise when he learns that Kim now has an indestructible battle suit. He lures Kim and Ron into a trapped house so he can analyze the suit and find out how to overcome it.