Two hundred years after World War III, the world is at peace, all thanks to the soul-identification system. Every eighteen-year-old must report to the government to learn about their past lives, a terrifying process known as kirling. Good souls leave the institute with their inheritance, a career path and if they're lucky, a soulmate. A sharp-witted girl confronts a major twist of destiny, embroiling her in a high-stakes game of danger, corruption, and heartbreak.