In this first of two volumes collecting 2017's giant Doctor Who crossover event, witness the return of Jenny, the Doctor's daughter, who has a terrifying message for the Twelfth Doctor, Bill, and Nardole: the Void is hungry, and it's beginning to devour the universe we know and love! From there, the threat of the Void spirals out to affect all of the Doctor's incarnations - from the Ninth, who re-encounters Silurian detective Madame Vastra, to the Tenth, who battles cybernetic foes on a space station orbiting a white hole, to the Eleventh, who journeys beyond the universe and into an impossible era of his civilization's ancient past...!