An espionage thriller is a genre of fiction that focuses on the activities of spies and intelligence agents. These stories often involve high-stakes missions, secretive operations, and the gathering of sensitive information. The plot typically revolves around themes of betrayal, deception, and the moral complexities of espionage, often set against a backdrop of political tension or international conflict. Characters in an espionage thriller may include government agents, double agents, and informants, all navigating a world of secrecy and danger. The narrative often features intricate plots, unexpected twists, and a race against time, keeping readers on the edge of their seats. Popular examples include works featuring James Bond and Jason Bourne.