The year is 1941.
A secret meeting between Nazi industrialists and representatives form the Soviet Union is taking place in Iran during which dangerous intelligence is being shared. Danny Nash has found a way into that meeting but "there’s a catch – he must send Emily Sinclair, daughter of the head of British Intelligence". Nash accompanies her to that region where he must constantly be on the look out for treachery and the likelihood of both of them dying, especially from a brutal SS officer who is "hires a Persian assassin from an ancient order of swordsmen. "