Janus

But Naill inexplicably begins to remember another life, in another time --a time when he was not human, but something else: a mative of this world, in the days before its civilization fell. Embarking on a quest to find his alien heritage, Naill will discover the mysterious source of his strange new memory. And when he does, he will defend his newfound people against the human and alien invaders dispoiling their world.