End Game by David Baldacci

In this gripping thriller, two elite government operatives, Will Robie and Jessica Reel, are tasked with locating their missing handler, Blue Man, who has vanished in a remote Colorado town. As they delve into the investigation, they uncover a web of danger involving a sinister cult, local criminals, and a series of mysterious deaths. The duo must navigate treacherous terrain and confront deadly adversaries to rescue Blue Man and prevent a catastrophic event, all while grappling with their own personal challenges and the complexities of their partnership.