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. Kristy worries that he is no longer able to keep his attention on the kids.