In a world in which Great Britain has become a fascist state, a masked vigilante known only as “V” conducts guerrilla warfare against the oppressive British government. When V rescues a young woman from the secret police, he finds in her an ally with whom he can continue his fight to free the people of Britain.

As the Iranian revolution reaches a boiling point, a CIA 'exfiltration' specialist concocts a risky plan to free six Americans who have found shelter at the home of the Canadian ambassador.