In the subterranean industrial colony of Oakhaven, air is not a right; it is a debt. For generations, the working class has lived in the "Lungs," a massive filtration complex designed to scrub toxic red dust from the atmosphere of a ruined planet. Silas, a veteran fan-scraper, spends his days clearing the "rust" from the machinery, his body slowly succumbing to the Red Lung—a terminal respiratory disease caused by the very air he manufactures.
