The Fourth Protocol (1987)

"The Fourth Protocol" is a political thriller film released in 1987, based on Frederick Forsyth's novel of the same name. The movie follows a British agent, played by Michael Caine, as he uncovers a Soviet conspiracy to detonate a nuclear bomb in the UK. The agent must race against time to stop the plot and prevent a potential war between the superpowers. Amidst Cold War tensions and high-stakes espionage, the film explores themes of betrayal, loyalty, and the dangerous consequences of international politics.