Carlie's new friend, Chelsea Landers, may live in a mansion, but she's hardly well-off when it comes to character! Even though she isn't always very kind, Carlie would still really like to find a best friend. She introduces Chelsea to the Rainbow Club, and the more Morgan, Amy, and Emily learn about her, the less they like. When Chelsea finally shows her true colors and betrays Carlie, Carlie discovers how much she appreciates her friends in the Rainbow Club. Then, in an angry confrontation, Chelsea suddenly asks for forgiveness. Can the girls overlook her mistake? Recommended for ages 8 to 12.