Illegal Action

Liz is reassigned to MI5's counter-espionage division during a time when London hosts a myriad of spies, including Russian operatives targeting influential figures like Vladimir Putin's critics. Tasked with preventing a potential assassination, she goes undercover to uncover the plot and identify the traitor among her surroundings. With mounting tension and unexpected twists, she navigates a complex web of espionage, deception, and danger.