The Lord of the Rings: The War of the Rohirrim

183 years before the events chronicled in the original trilogy, a sudden attack by Wulf, a clever and ruthless Dunlending lord seeking vengeance for the death of his father, forces Helm Hammerhand and his people to make a daring last stand in the ancient stronghold of the Hornburg. Finding herself in an increasingly desperate situation, Hèra, the daughter of Helm, must summon the will to lead the resistance...