2091 – The USCSS Prometheus, a space exploration ship built by Weyland Corp, leaves Earth on its journey to LV-223. 2092 – Ellen Ripley is born on Earth. (January 7, to be precise.) ...
The film consists of a short video briefing, in which Weyland Corp employee Andrea Bishop (a character who does not appear in Prometheus itself) discussing the USCSS Prometheus mission and its goals.