It is Judgement Day! Sabbat the Necromagus has resurrected every corpse in the whole world to serve as his zombie horde. All over the globe the Judges are facing unimaginable odds, but then the unthinkable happens and time-travelling Strontium Dog, Johnny Alpha, arrives to lend Dredd a hand. It is the team-up of the century as Dredd and Alpha fight back against the walking dead!