Charlie Holloway: "These are images of archaeological digs all over the Earth: ancient civilizations that shared no contact. And yet, the same pictogram on every last one of them."
Fifield: "It's a star map?"
Elizabeth Shaw: "No, not a map -- an invitation."
Fifield: "From whom?"
The discovery of a star map that may link together vastly different, ancient cultures on Earth, is the catalyst for the Prometheus mission. The crew will use this map to explore an alien race, in hopes of determining whether this race helped life evolve on Earth.
