The final volume! In a treacherous district of the Prison City, one that is ruled over by a fanatical religious cult, Chloe is finally reunited with her long-lost brother. Because of the guilt she's been harboring for leaving him behind all those years ago, she keeps her identity a secret, determined to continue protecting him from the shadows. But as the day of the children's daring final escape approaches, so does the evil that's been slowly creeping toward them. What will be the final outcome for these two siblings whose lives have been torn apart by fate?

Years after narrowly escaping alone, Chloe returns to the prison city, clinging to the hope that her brother Locke is still alive somewhere inside. After successfully enlisting the help of an informant, she steels her heart and slips beyond the barricade to search for him. What awaits Chloe in this district, where not even the guards dare to set foot?