Raven Nightshade is an assassin that works through the Shadow Manor. She's mute and keeps to herself. The only person who truly knows her is her friend Ruby Vascal. She is sarcastic, stubborn, headstrong, smart, patient, and deadly. Everything was going as planned until one night. When she and the head of the Shadow Manor discover an underground operation ordered by the king to find all humans and have them killed. What will happen when Raven is forced to go into hiding for being human? What will happen when Kaz brings in two complete strangers to help Raven on her journy?