Original: Samus agrees to assist by recovering Aether 's planetary energy ( the '' Light of Aether '' ) from Dark Aether and thereby putting an end to Dark Aether and the Ing ; however , Samus yet again encounters Metroid Prime ( Dark Samus ) , a heavily mutated being who had copied Samus ' genetic code and stolen her Phazon suit at the end of her Tallon IV adventure , now in the form of Dark Samus .
Simplified: Samus goes to the BSL Space Station to find that the scientists in it were killed by the virus , and Samus has to explore the ship while also avoiding her old suit that an X virus took control of called SA-X .