A dystopian thriller for fans of The Hunger Games. When Shion, a privileged boy, gives shelter to an urchin for the night, the city he once called home forces him into the ghettos for insubordination. Four years later, an epidemic breaks out across the city. Shion, along with the help of the urchin Rat, must clear his name, even if it means exposing the ugly truth behind the perfect city No. 6.