The only survivor of the Nostromo, Ripley is discovered in deep sleep half a century later by a salvage ship. When she is taken back to Earth, she learns that a human colony was founded on the same planet where the aliens were first found. She finds life hard to adjust to with her former employees seeking damages from her for wrecking their ship. Contact with the colony is lost, and she finds herself sent back to the planet as an advisor along with a team of marines and adviser from the company who have differing agendas towards the aliens while searching for any survivors.