Book 1 in the Fortunes of a Spy subseries.
"An important peace treaty between Egypt and Israel is currently on the table. Meanwhile, enemies are conspiring with international powers to orchestrate a coup. Not the best time for Britain to lose a valuable source of intel. Fortunately, Cairo's expat society provides the perfect cover for Nikki Sinclair and her fake husband to discover the fate of MI6's mole. Then Nikki's encounter with the older, infamous Countess Nadasdy ignites a passion and desperate need that leaves them both reeling. So, when a ghost from the past threatens their happiness, she resolves to act."