2025. The Earth is a smoldering husk - ravaged by fire and floods. A small pocket of resistance fighters led by Commander Summerfield must fight a creature they can't defeat in a universe where the Doctor is dead.
The Cybermen are bearing down on Commander Summerfield, Ace and an unconscious 4th Doctor. Hawkspur sets his plans into motion with a violent attack on the civilians he's sworn to protect. Who can save the day?
Trapped inside the catacombs with a creature composed of pure evil spells doom for the 4th Doctor and humankind. Ace, Deavish and Everitt must travel to the night that ended everything and change the course of history.
Help may be at hand at the Research Centre, but the ultimate end for humanity draws near. The Doctor's greatest enemies are walking the Earth, and nothing will stop them. Will the Doctor find a way to save this reality?