When a prophecy traps a kingdom in eternal winter, Anna, a fearless optimist, teams up with extreme mountain man Kristoff and his sidekick reindeer Sven on an epic journey to find Anna's sister Elsa, the Snow Queen, and put an end to her icy spell. Encountering mystical trolls, a funny snowman named Olaf, Everest-like extremes and magic at every turn, Anna and Kristoff battle the elements in a race to save the kingdom from destruction.

Iris is travelling on a train through Europe and befriends Miss Froy, a kindly old lady. When Iris is knocked unconscious by a falling flower pot, she awakens to find Miss Froy mysteriously replaced by an imposter. She's led to believe the accident caused an illusion until Gilbert, a young musician, comes to her assistance. Together, they find themselves caught up in a mystery.