Cal lost everything when she was banished to the Outskirts; her home, her parents, and most importantly, her beloved older sister. As a human in a world ruled by the faerin, people with fae blood that grants them supernatural gifts, she is treated with brutality and cruelty by those around her. Now, ten years later, she is finally granted a chance at freedom by way of joining the very group that her parents opposed; the Imperial Black Guard. Will she live to see her sister again? Or die trying?