In a world where life is measured in seconds, the electronic boards at the Time Exchange are forever ticking over with mortality rates. In the West District slums, a loaf of brown bread costs two hours, while a carton of expired milk costs one. That's the equivalent of 180 minutes of an ordinary worker's labor.
Lin Shun, a time courier, risks smuggling time elixirs to save his gravely ill younger sister. But he gets caught up in a heist at the Time Bank and learns the shocking secret of the immortal aristocrats...