The film was originally intended as a direct prequel to the 1979 science fiction horror film Alien; however, the events of the film will not precede any of the previously established characters or story lines from the Alien franchise. The film will focus on a mythology within the Alien universe. Set in the late-21st century, Prometheus will explore the advanced civilization of an extraterrestrial race responsible for the origins of modern humans on Earth, as well as the background of the Alien creature which made its first appearance in the 1979 film. The title of the upcoming film is an allusion to the Titan God, Prometheus, of Greek mythology, who stole fire from Zeus and gave it to humankind, an act which brought eternal punishment upon the God. While actually being the name of the human's spaceship in the story. The name "Prometheus" is used in a greater metaphorical sense.