Libriomancer Isaac Vainio is part of Die Zwelf Portenære, better known as the Porters, the organization founded by Gutenberg to protect the world from magical threats. Isaac is called in to investigate the killing, along with Porter psychiatrist Nidhi Shah and their dryad bodyguard and lover, Lena Greenwood. Born decades ago from the pages of a pulp fantasy novel, Lena was created to be the ultimate fantasy woman, strong and deadly, but shaped by the needs and desires of her companions. Her powers are unique, and Gutenberg's enemies hope to use those powers for themselves. But their plan could unleash a far darker evil...