Watch " " Online HDToday. Set in the storybook world of Enchancia, the music-filled movie follows Sofia, an average girl whose life suddenly changes when her mother marries the king and she is whisked off to live in a castle with her mom, new step-father, King Roland II, and step-siblings, Amber and James. Along the way this ordinary girl learns to navigate the extraordinary life of royalty, and in the process makes everyone around her feel special.