Across the globe, corpses are rising from their graves to feast upon the flesh of the living- the work of Sabbat the Necromagus, a megalomaniac of unfathomable power, intent on turning Earth into one vast burial ground. Dredd and fellow Judges of all nations must unite against the zombie menace- and they find they have an ally in a time-travelling bounty hunter named Johnny Alpha, who's come in pursuit of the black magician. Together, they must fight through Sabbat's undead horde before the planet perishes...