“I restarted his heart. He rebooted my life.” They say life in the slums of Abiss City is harsh and dangerous. But I, Solana Diaz, know the secret. You just have to follow unwritten rules. It seems it could be easier—don’t ask questions, don’t interfere in gang disputes, don’t break the medical neutrality, and know your place. Most importantly—never, under any circumstances, under no circumstances deal with the fighters of the "Mechanical Sun": ruthless, practically invulnerable killers. But one evening changed everything.