Silence kept her alive. Magic will set her free. Willa Avery created the serum that changed the world as humans, witches, and vampires knew it. Sun Serum 99, the cure for a vampire’s death by sunlight. Many tried to create it, but it took the magic and science of a Grand Elite Caster to perfect it. Despite the fame and recognition that came with this new discovery, the fact remains: Willa was forced by the vampire king of the West to create the one thing she could have used to kill him. After hiding from the king and his spies for years, she's tired of living in the shadows. She vows to end his reign of terror and return to the man she was stolen from a century ago. With her two best friends—witches of high rank by her side, and the love of a vampire seeking his own freedom, can Willa destroy the king that ruined her life?