A band of crusading knights carries the Holy Grail through a plague-ridden countryside, destined for a distant land. Hunted by assassins, the knights enter the forbidden Valley of Black Death. As they go deeper into the valley, they discover something more terrifying than the plague and the ruthless killers hot on their trail... The undead. Overrun by hordes of flesh eating zombies, their only chance for survival is a mysterious maiden who can guide them out. Their final and chilling journey becomes an ultimate battle as they face the gruesome, murderous walking dead.