In 2086, Earth faces invasion by hostile forces, and a lone operative must fight back using cutting-edge technology and tactical prowess. Armed with an advanced exosuit and a arsenal of customizable weapons, the protagonist navigates hostile territory through a mix of direct combat and stealthy approaches to eliminate threats. With guidance from her brother Arthur Keeper and access to specialized skills and advanced mobility techniques, she works to repel the extraterrestrial incursion and reclaim humanity's world.