Humans have colonized the moon and Mars, as well as several space station outposts farther out in Sol System.
The light-speed barrier remains unbroken, leaving ambitious explorers with the daunting thought of spending decades on ships searching for far-flung worlds to claim for humanity.
On Earth, scientists in the military and private sector work to break that barrier. Will greed, jealousy, and petty human differences undermine an otherwise noble pursuit? Or will they succeed? And, if they succeed, what then?