Ewan and Rorie take cover in a pocket of the Warp Road to evade the timekeeper on their trail, but the next threat may be the promise Rorie himself has made. His new “siblings” seem off to him, and he's no longer sure he wants to deliver the piston to Emlin's hands. Securing the safety of Clea and his blood siblings from the Mech King remains a priority, but who will take the throne when Emlin takes his father out of power? Has the prince swapped out one monster for another?