Welcome to Sin City. This town beckons to the tough, the corrupt, the brokenhearted. Some call it dark… Hard-boiled. Then there are those who call it home — Crooked cops, sexy dames, desperate vigilantes. Some are seeking revenge, others lust after redemption, and then there are those hoping for a little of both. A universe of unlikely and reluctant heroes still trying to do the right thing in a city that refuses to care.

An assassin who is fresh from his latest kill becomes stranded in an island, when he inadvertently befriends a female police officer. As the night progresses, the unspoken truth honored by the two sides of the law is broken. After the remains of a body that belonged to a drug lord and syndicate crime leader are found, chaos ensues and criminals ravage the once peaceful streets in a race against time to find the mysterious murderer that's loose and out for blood.

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.