Kristy's big brother Charlie is a good guy, helping her with the Krushers' Softball Klinic and driving her to BSC meetings. Kristy and Charlie get along great - until Angelica shows up. Kristy can tell Angelica is Trouble with a capital "T". But Charlie doesn't mind. In fact, he thinks he's in love with her. Ew.
Charlie wants Kristy to mind her own business. But Kristy knows she has to do something before Angelica ruins the Krusher Klinic . . . and breaks Charlie's heart.