The Kalisa Conundrum

Two months after entering the Finnean Convergence Zone, the Black Hawk arrives in the Kalisa Sector. Like other systems, it is home to destroyed worlds. The only signs of life emanate from a large planetary fragment with a metallic structure extruding from the bottom. Surrounding the world is a tremendous amount of orbital platforms boasting polaron technology. They, and whatever dangers await inside the planetary archive, could be whatever separates the Black Hawk from finding more clues as to why they’re in the Convergence Zone in the first place…

For the full summary, see this wiki article.