Elerie Astrada is hanging in almost-space, awaiting launch.

Ultsurf is a popular, high-stakes relay race contested at the edge of a planet's atmosphere. It's fast, hard and dangerous: it isn't a bloodsport, but blood is often spilled. It is also highly illegal. And Ele is at the top of her game, just a few wins away from the major leagues.

But making the fastest Split isn't Ele's biggest challenge. When her childhood friend India blackmails her with knowledge of her Ultsurfing career, Ele's thrown into the politics of money and power, and way over her head. As a pawn in India's scheme, Ele digs up everything she can on her Ultsurf rivals, the Royals—through drugs, espionage and violence—to ensure her team's victory.

It's brought her to this moment. Everything is in place, every deal done. Then the starter whistle blows...