Narnia is in confusion as an impostor of Aslan threatens to corrupt the animals and destroy the harmony of the once glorious kingdom. King Tirian, the last King of Narnia, calls on Aslan and the helpers beyond the world for aid. Jill and Eustace appear and help gather the troops together. King Tirian challenges his enemies to fight and, in the light of a huge bonfire, the last and greatest battle of Narnia begins.