Ellen Tebbits has an embarrassing secret that she'll never share with anyone. That is, until she meets Austine—and discovers that Austine has the exact same secret! Soon the girls are best friends who do everything to­gether—attending dance class, riding horses, and dodging pesky Otis Spofford, the neighborhood troublemaker.

But then Ellen does something terrible . . . and now Austine isn't speaking to her. Ellen desperately wants her best friend back. How can she show Austine how sorry she is?