Just a normal 2 year supply run to the mining installation on Sirius B, until the cargo pod decided to remain in hyperspace, wrenching part of the coupling away, sending a destructive charge of energy through the ship. It took 3 days to arrive at the ESSEN mining station. On the landing pad, the situation looks sinister. There is no sign of life! The facts are, you must repair the ship, obtain fuel and provisions and reprogram the ship's computer. With a bit of luck, the mining colony should have all the necessary spares. But what fate befell the 200 workers stationed here? What stalks the metal labyrinths below the surface? What mystery links the horror within - to the dawn of human civilization? Can you survive a descent into the lair of the Xenomorphs?