Returning to New York from her travels with the Doctor, Gabby has never felt more alive. But for her family and best friend, Cindy, barely any time has passed! But for the Doctor, Gabby and Cindy, this is only the start of their greatest adventure yet, as a secret auction, a cult organization, an ancient artifact, an aging movie idol, a cosmic conspiracy and a cosmic threat from the heart of the universe collide in NYC to threaten all of reality!