Disney Storybook Artists.

"Anna of Arendelle wants nothing more than to be helpful to her older sister, Elsa. But as far as Anna can see, ever since Elsa's coronation, her sister has been doing just fine without her. And now, Elsa will be setting sail for a grand tour of the world--leaving Anna behind. But after a mysterious sickness strikes Arendelle, Elsa's tour is delayed, giving Anna the perfect opportunity to finally help. When Anna discovers a secret room in the castle...