Girlie, a thirty-something Filipinx-American, works a day job at a social-media moderation centre, flagging and removing the very worst that makes it on to the internet. She's good at it, too - dispassionate, unflinching, maybe because she learned by necessity to cauterise all her emotions when she was still a kid - so it's no surprise to anyone when the social-media company for which she works offers her a big pay rise and an office to start moderating its new venture: virtual-reality theme parks, stunning simulations of civilizations long-since dead.

Girlie takes the job, and it almost seems too good to be true. Almost. Sure, she signed up for having to deal with the ambient racism and misogyny of pretty much any virtual space, but as she begins to explore the intricate worlds that she moderates, she notices two deeply troubling things: that there might be something much darker built into the very code of the company, and that William, technically her new boss, a man whose barriers are as mighty as her own, might just be that long-forgotten thing... Girlie's type.