It started with money, as it so often does in New York. A crisp $100 bill slipped across the smooth surface of the mid-century-inspired concierge desk at 11 Howard, the sleek new boutique hotel in Soho. Looking up, Neffatari Davis, the 25-year-old concierge, who goes by “Neff,” was surprised to see the cash had come from a young woman who seemed to be around her age. She had a heart-shaped face and pouty lips surrounded by a wild tangle of red hair, her eyes framed by incongruously chunky black glasses that Neff, an aspiring cinematographer with an eye for detail,...