Lindsey starts her first day of school and meets two new girls, Amy and Kayla, at lunch. Her best friend Carly tells her not to hang out with the new girls. Lindsey lies and says she won't, but enjoys hanging out with Amy and Kayla after school. When Carly finds out, she gets angry at Lindsey for breaking her promise. Over time, Lindsey drifts apart from Carly as she becomes better friends with Amy and Kayla, showing that friends don't always last forever.