In a distant future where humanity has left Earth, the remnants of the Federation's flagship are devastated by the Gnosis, an alien force. Shion Uzuki and her android partner KOS-MOS embark on a perilous quest to uncover the secrets of the Zohar, an ancient artifact that could either secure humanity's future or unleash a catastrophic threat.
Xenosaga
Humanity's utopian existence in space is shattered when the Gnosis, a merciless alien force, annihilates the Federation's flagship, putting the entire society at risk.