Abby and her twin sister, Anna, recently turned thirteen. They are preparing for their Bat Mitzvah, which is a big deal for the twins and their mother. And now, just when Abby should be acting like an adult, she is caught cheating on a math test and is suspended from school. Even though Abby didn't cheat, she refuses to tell what really happened. She even keeps the suspension a secret from her mother. Abby is heading for big trouble on the biggest day of her life. Will she be able to get it together without disappointing everyone - including herself?