Welga Ramirez, executive bodyguard and ex-special forces, is about to retire early when her client is killed in front of her. It’s 2095 and people don’t usually die from violence. Humanity is entirely dependent on pills that not only help them stay alive, but allow them to compete with artificial intelligence in an increasingly competitive gig economy. Daily doses protect against designer diseases, flow enhances focus, zips and buffs enhance physical strength and speed, and juvers speed the healing process.

The Minerva Sierra Challenge is a grueling spectacle, the cyborg's Tour de France. Rich thrill-seekers with corporate sponsorships, extensive support teams, and top-of-the-line exoskeletal and internal augmentations pit themselves against the elements in a day-long race across the Sierra Nevada. Marmeg Guinto doesn’t have funding, and she doesn’t have support. She cobbled her gear together from parts she found in rich people’s garbage and spent the money her mother wanted her to use for nursing school to enter the race. But the Minerva Challenge is the only chance she has at a better life for herself and her younger brothers, and she’s ready to risk it all.