A century ago, humanity won a long guerrilla war against aliens who came and conquered the Earth, claiming they came in peace to win humanity's trust and cooperation in being made their playthings & wiping out most of civilization until it was possible to start rebuilding. Nearly two decades ago, a red ship bearing a forklike insignia arrived, and the alien aboard said that she was the Imperial Condense, and her people came in peace. Humanity won't be fooled again.

Two long-time enemy nations can't become meaningful allies overnight. Stories from the lives of a border-guard Herald and Sunpriest, from their first meeting to the end, and insights into just how Karse and Valdemar were able to turn around their relationship so fast.