Step into a world steeped in danger and high-stakes suspense in this riveting thriller.

Key Murphy, an experienced guardian of the powerful, is drawn into a deadly game with the Vice President of the United States at its heart.

Intelligence of a sinister assassination plot in Philadelphia propels Key into a pulse-pounding race against time. With only four days to halt the impending chaos, each tick of the clock amplifies the tension.

Yet, who orchestrates this deadly game? And what could they hope to gain? As Key navigates the labyrinth of conspiracy, he uncovers deceit that sprawls wider than he ever feared.

In a world of veiled realities and shifting alliances, can he unravel the enigma in time? Will he outwit the unseen threats, or will the Vice President's fate be tragically sealed? The clock is ticking...

"Fans of thrillers like the Bourne series will have a great time with Threshold." -Readers Favorite