Year 2038: The mineral resources of this world are emptied, in space there are conflicts for the last residue in satellites and other planets. This could be the situation several of these mining robots are now evaporating in their trip home and when all but one mineral moons have been lost by one of those larger mining corporations. They send prisoners to shield the mining channel since no one wants the job. Included in this undercover broker Stone, who shall clear the whereabouts of these robots that are expensive. In an atmosphere of corruption, hate and fear he receives involving your fronts of distinct groups.