A band of crusading knights escorts the Holy Grail through a plague-ridden countryside, destined for a distant land. Hunted by assassins, the knights venture into the forbidden Valley of Black Death. What they discover is even more terrifying than the plague and the ruthless killers hot on their trail; the Valley of Black Death is home to 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, chilling journey (to either death or success) becomes the ultimate battle of men vs. undead as they face a non-stop barrage of gruesome, murderous walking dead.