Post-HBP Harry, Ron, and Hermione disappear on the Horcrux hunt, while Ginny is left behind to find her own path in the struggle against Voldemort. On separate paths, Harry finds an unexpected ally, while Ginny faces repercussions from the Order and her parents for helping him escape. In the meantime, Voldemort finds a new ally of deadlier power than Harry could ever have imagined.