San Francisco, 2017. Clinton’s in the White House, Brexit never happened -and Verity Jane’s got herself a new job.

They call Verity the app-whisperer, and she’s just been hired by a shadowystart-up to evaluate a pair-of-glasses-cum-digital-assistant called Eunice.Only Eunice has other ideas.Pretty soon, Verity knows that Eunice is smarter than anyone she’s ever met,conceals some serious capabilities and is profoundly paranoid — which is justas well since suddenly some bad people are after Verity.Meanwhile, in a post-apocalyptic London a century from now, PR fixer WilfNetherton is tasked by all-seeing policewoman Ainsley Lowbeer with interferingin the alternative past in which Verity and Eunice exist. It appears somethingnasty is about to happen there - and fixing it will require not only Eunice’sunique human-AI skillset but also a little help from the future.A future which Verity soon fears may never be…