The Doctor and Clara return to her present, but danger is slipping through the cracks between universes, and London (and UNIT!) have no defense against the Fractures! Will the Doctor risk all of reality to reunite a family - or sacrifice a good man to keep the multiverse spinning? Then, the Doctor gambles with his life in 1960s Las Vegas, as he and Clara must team up with gangsters in order to defeat an intergalactic crime syndicate! Collects Doctor Who: The Twelfth Doctor #6-10.