The Last Battle chronicles the end of the world of Narnia. During the last days of Narnia, the land faces its fiercest challenge—not an invader from without but an enemy from within. Lies and treachery have taken root in Narnia.

Jill and Eustace return to save Narnia. Together with the King Tirian and a small band of loyal followers, the boys try to prevent the destruction of all they hold dear in this land. This reveals the true Narnia to which the Lion King Aslan brings them.