In the distant future, Sky was an Army general part of the intergalatic goverment called Eden. One day he is killed on the front lines. Scavengers finds what left in the battle and utilize what is left of his brain to transfer his conciousness in a janitorial unit. An emotionless robot by day, in his unconscious state Sky dreams of memories in his past life, notably of a family he once had. Sky rebels agansit humanity and becomes a bounty hunters, and goes on a vengeful quest to find the people who did this to him.