An ordinary young boy called Nikolas sets out on an extraordinary adventure into the snowy north in search of his father who is on a quest to discover the fabled village of the elves, Elfhelm. Taking with him a headstrong reindeer called Blitzen and a loyal pet mouse, Nikolas soon meets his destiny in this magical, comic and endearing story that proves nothing is impossible.

Astronaut Roy McBride (Brad Pitt) travels to the outer edges of the solar system to find his missing father and unravel a mystery that threatens the survival of our planet. His journey will uncover secrets that challenge the nature of human existence and our place in the cosmos.