Now safely home from their trip to the Militant Nation, Cecily, Luke and the others return to their everyday lives. However, the Independent Trade City of Housman is soon struck with increasingly strong earthquakes, signaling that the time of Valbanill's reawakening draws near.

The pressure only continues to grow as Luke and Cecily learn of the Campbell family's secret curse: the Sheath of the Sacred Blade. Can Luke help change Cecily's fate by forging the true Sacred Blade before it's too late?