730. That's how many days I've been trapped. 18. That's how many days I have left to find a way out. DAI, trying to escape a haunting past, traffics drugs for the most ruthless kingpin in the Walled City. But in order to find the key to his freedom, he needs help from someone with the power to be invisible.... JIN hides under the radar, afraid the wild street gangs will discover her biggest secret: Jin passes as a boy to stay safe. Still, every chance she gets, she searches for her lost sister.... MEI YEE has been trapped in a brothel for the past two years, dreaming of getting out while watching the girls who try fail one by one. She's about to give up, when one day she sees an unexpected face at her window..... In this innovative and adrenaline-fueled novel, they all come together in a desperate attempt to escape a lawless labyrinth before the clock runs out.