Set in a dystopian and post-apocalyptic future, the United Kingdom has transformed into a police state governed by the oppressive and fascist Norsefire regime. In this bleak reality, a mysterious masked vigilante known only as 'V' employs terrorist tactics to resist the tyrants of his world. After rescuing a young woman named Evey Hammond from the clutches of the secret police, he finds a valuable ally in his struggle against England's iron-fisted rulers. Meanwhile, a detective from New Scotland Yard, Eric Finch, who is determined to apprehend V, unexpectedly becomes a significant figure in the fight against England's oppression.