SOME HAVE KILLED TO KEEP THE TRUTH HIDDEN, SOME WILL KILL TO REVEAL IT.Sixteen year old Clover has spent most of her life plotting her escape from the perilous city of Aurora. She's hell bent on getting her family to a safe place, no matter the cost.Her plans to get out of her city are blown apart when she's taken prisoner by a mysterious faction that's creating a group of teenage assassins. Clover's survival throws her into the twisted mystery of a powerful group who are drugging their "angels" to give them supernatural abilities before sending them to kill other teenagers, labeled "demons.Unfortunately for her kidnappers, they've just given Clover magical abilities, and she plans to use them to free her loved ones, and bring the faction to its knees.