The world is a stage for Mallory McDonald! When Mallory tries out for a part in the school play and gets the lead, she is super excited. But not everyone shares her enthusiasm, especially her best friend Mary Ann. In fact, the more excited Mallory gets, the less excited Mary Ann becomes. Mallory can't understand why Mary Ann is acting so strange. Even though the lights are shining bright, is there something Mallory's not seeing? Can Mallory find a way to play the roles of leading lady and best friend?