Barley Scott Blair, a Lisbon-based editor of Russian literature who unexpectedly begins working for British intelligence, is commissioned to investigate the purposes of Dante, a dissident scientist trapped in the decaying Soviet Union that is crumbling under the new open-minded policies.

Barley Scott Blair, a Lisbon-based editor of Russian literature who unexpectedly begins working for British intelligence, is commissioned to investigate the purposes of Dante, a dissident scientist trapped in the decaying Soviet Union that is crumbling under the new open-minded policies.