The Kremlin's candidate : a novel / Jason Matthews.

Enhanced descriptions from Syndetics:

The "terrifically good" ( The New York Times Book Review ) finale in the New York Times bestselling Red Sparrow trilogy continues the dangerous entanglements of Russian counterintelligence chief Dominika Egorova and her lover, CIA agent Nate Nash, on the hunt for a Russian agent working in the US government.

Russian president Vladimir Putin is planning the covert assassination of a high-ranking US official with the intention of replacing him with a mole whom Russian intelligence has cultivated for more than fifteen years.

Catching wind of this plot, Dominika, Nate, and their CIA colleagues must unmask the traitor before he or she is able to reveal that Dominika has been spying for years on behalf of the CIA. Any leak, any misstep, will expose her as a CIA asset and result in a one-way trip to a Moscow execution cellar. Ultimately, the lines of danger converge on the spectacular billion-dollar presidential palace on the Black Sea during a power weekend with Putin's inner circle. Does Nate sacrifice himself to save Dominika? Does Dominika forfeit herself to protect Nate? Do they go down together?

With a plot ripped from tomorrow's headlines, The Kremlin's Candidate is "both timely and timeless; an espionage tale that takes the reader behind and beyond the headlines of Russia's assault on America" (Nelson DeMille).