Sofia, is a little girl with a commoner's background until her mom marries the King and suddenly she is royalty. With the help of the three fairies in charge of the Royal Training Academy, Sofia learns that looking like a princess isn't all that hard but behaving like one must come from the heart.

Sofia is put in a difficult position when she struggles to get her village friends Ruby and Jade and her new princess friends to get along and feel comfortable with each other during her first slumber party at the castle.