"Yet there you stand, tainting this sacred ground with your filth, ground that has not felt the stink of humans for millennia. Since humans first met us, their first contact with any creatures in space. This planet is LV-426, and you are not welcome here." R&R

Samus Aran, intergalactic bounty hunter, is on the run for destroying the Federation HQ and destroying the X once and for all. She receives a distress call from an unknown planet and decides to investigate. She encounters two ancient unknown alien species at war and the Space Pirates are continuing their research into the ultimate weapon on the same planet: the Metroids.