Naval Officer Jack Samson thought a posting to the frontier of human inhabited space was the death blow to his career. He couldn’t have been more wrong. A routine inspection of a small merchant vessel leads to devastating loss and the discovery of strange, fascinating objects. As astonishing discoveries unfold, a mysterious and hostile ship proves that Samson has a competitor in unlocking the secrets of an ancient alien civilisation, and that humanity might not be alone in the galaxy after all.