Anna, Elsa, Kristoff, Olaf and Sven leave Arendelle to travel to an ancient, autumn-bound forest of an enchanted land. They set out to find the origin of Elsa's powers in order to save their kingdom.
When an island populated by happy, flightless birds is visited by mysterious green piggies, it's up to three unlikely outcasts - Red, Chuck and Bomb - to figure out what the pigs are up to.
