When Ace was doing a check on a demon radar one day, he runs across Ella's house, where she was completely surrounded by Spectres demons. After killing the demons and taking her out of the home, he realized that she just received her sight of their Shadowhunter world. She was completely scared and confused about everything happening around her. Everything hit her at once; Demons existence, rune powers, angels above, and the power of her kind in the world. Together Ace, Ella, and many others have to come together to find who is committing horrible murders and leaving their dismembered bodies all over the city, including Ella's own brother. Ella will have to find out how to truly be a shadowhunter and go on a mission to safe the lives of her kind and the human race all while internally battling her father's mind control.