As a spacecraft departs a planet, a humanoid alien
drinks an iridescent liquid and then dissolves.
The remains of the alien cascade into a waterfall.
The alien's DNA strands mix with the water.
In 2089, archaeologists Elizabeth Shaw &
Charlie Holloway discover a star map in Scotland that matches
others from several unconnected ancient cultures.
They interpret this as an invitation from humanity's forerunners,
the "Engineers". Peter Weyland, the elderly CEO of
Weyland Corporation, funds an expedition, aboard the scientific
vessel Prometheus, to follow the map to the distant moon LV-223.
The ship's crew travels in stasis while the android
Prometheus (2012 film). Wikipedia
The Free Encyclopedia. August 16, 2022

The Prometheus lands on the barren,
mountainous surface near a large, artificial structure, which a team explores.
Inside, they find stone cylinders,
a monolithic statue of a humanoid head,
& the decapitated corpse of a large alien, thought to be an Engineer.