Within the depths of outer space, human conscripts have protected an alliance of alien races for thousands of years. But their masters have turned against each other, and in a final act of mercy, they have released their human protectors. At a loss for what to do or where to go, the human contingent fractures. One group plans to wander throughout the galaxy, pillaging the worlds they encounter, and the other is intent on returning to their home world, Earth.
However, having lived in space for many generations, no one knows where Earth is. Fortunately, they receive help from their former masters, who reveal the location of an artificial world that may hold clues to guide them home.
But even if they succeed, will they be welcomed by those living on their ancestral world, or will they be shunned and driven away?