Blackmoth attempts to detonate an isotome weapon near Kalila’s embattled fleet. Raidan threatens harm upon Capital World if it will not surrender Caerwyn Martel. Calvin leads his people into Forbidden Space, from where no human has ever returned. Rain and Calvin strike up a romance, to Summers’s dismay, but it may prove too impractical. Tristan demands what was promised. Shen must make a choice and determine who he is, despite his strong feelings for Sarah. Nimoux remains injured. The Khans threaten Aleator One. And behind it all, the Dread Fleet’s campaign of death has begun its slaughter. Soon it will march against humanity, determined to end the species as part of the prophecy of the Final Reckoning.