The Fourth Protocol (1987) is a Action, Thriller film that follows led by Kim Philby, Plan Aurora is a plan that breaches the top-secret Fourth Protocol and turns the fears that shaped it into a living nightmare. A crack Soviet agent, placed under cover in a quiet English country town, begins to assemble a nuclear bomb, whilst an MI5 agent attempts to prevent its detonation. The Fourth Protocol is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.3 out of 10 from 195 votes. Fans of action movies may also want to explore similar titles below.