Private eye Lemmy Caution (Eddie Constantine) is catapulted into space and ends up in Alphaville, a city run by domineering scientist Dr von Braun (Howard Vernon). After Caution sees his chief contact being killed, he becomes determined to strike at Alphaville's cold heart: a powerful computer system that stamps out all traces of individuality and emotion in the populace it controls. Director Jean-Luc Godard used contemporary Parisian locations for his offbeat futuristic thriller, whilst Eddie Constantine, as the detective hero, reprises a role he had already played in a number of B-movie policiers.