Siblings Lucy, Edmund, Susan, and Peter stumble upon a magical wardrobe that leads them to the enchanted land of Narnia. Upon arriving, they find that Narnia has been plunged into an eternal winter by the evil White Witch, Jadis. The children quickly discover that they have been brought to Narnia for a purpose, to defeat the witch and restore peace to the kingdom. With the guidance and help of the wise and powerful lion, Aslan, the siblings lead Narnia into a final and spectacular battle to free the land from the witch's icy grip forever. The children must use all of their courage, strength, and wit to defeat Jadis and bring back the warmth and light to Narnia.