The explosive conclusion to the Rubicon Saga.

Their world has imploded, and the survivors of Rubicon must find a way to stay alive in the critically damaged Mars settlement. Lenny, Jaxon, Chuck and Swift face a series of perilous problems, alone in the expanding darkness, their future uncertain.

Far away, Dana, Zane and the rest of Rubicon battle to come to terms with a harsh new reality, deep in the diamond-rich mine at Olympus Mons. Trouble is brewing at New Dawn. Old tensions resurface, and a menacing new danger emerges.

In the nail-biting conclusion of the Rubicon Saga, no one is above suspicion, and no one is safe. Rubicon has one, last chance to secure their freedom and break free, or succumb to the darkness forever.