There are things happening in Constella, terrible things. Humans are going missing, magical disasters are becoming more frequent, and creatures of the demonic nature are popping up, and all signs point towards the populace of mythical creatures on the other side of the border. Tasked with an impossible challenge Kyrie, a half-blood mortal braves the crossing to the other side in hopes to gain some answers to a case she is working on but what she finds is something far worse than a simple open and shut case.