Metal rusts, belief crumbles, war is eternal—the battle for Penrose continues in the second installment in the series Appointed the Commander of the Emperor's Army of Sangrel, Wa-Ka-Mo-Do of Ko tries to establish relations between the existing robot population and the humans who have recently arrived on Yukawa. On the continent of Shull, Kavan forms the Uncertain Army and marches to Artemis City. However, discovering that the city's generals have made an alliance with the humans, he retreats to Stark where he plans the overthrow of Artemis and the humans. Karel too is on a journey—to be reunited with his wife Susan, and to learn more about his place on Penrose. But as tensions between robot and humans grow, it's only a matter of time before problems arise, and it's becoming more and more apparent that the humans are a lot more powerful than the robots first expected.