"The fifth Humboldt Prior mystery" is a story of economic greed, murder, intellectual racism, and more murder. A casualty of a traumatic, Silicon Valley corporate takeover, Humboldt Prior, now 60 years old, relocates to his midwestern hometown, where he has been offered a position as a university lecturer on information technology. There he finds himself entwined in a pair of mysterious crimes, one scientific, and one financial, and both leading to murder. At the request of high government officials, Prior acts alone, unknown to his college and local police authorities. His only help comes from his long-ago experience in secret intelligence, certain distant friends in the old European aristocracy, and an attractive female geology professor. Confronting both new and old enemies, Prior must solve the intricate mysteries and bring the culprits to ingenious and well-deserved justice.