Ever since that night on Gallows Hill, Cas has made it her mission to find her brother. Too bad every time she turns someone—or something—gets in her way. When Cas is summoned to Command, she finds out the truth behind what happened at Stonehenge. With her group of Elite friends, and one new Necromancer, she sets off for the sacred site to help silence the ley line and find Damen. What they encounter there changes the magical world forever. The balance of power has shifted. Cas must fight for survival or risk being lost forever.