Millenia ago, after God made angels and man, there was a group of angels which rebelled against his treatment of humans. As punishment for their sin, he banished them from Heaven and from Hell, down to the domain of the humans they loved so much: Earth. Now, centuries later, one of their offspring, Alula gets caught up in a secret world that the humans are unaware of, this secret society and all of it's beings are called Underworlders and Alula is one of them. Alula soon meets the dark elves most valued and dangerous assassin, secrets of her horrifying past are brought back and are forced to be confronted in the most extreme ways.