It is anticipated that the ozone layer would be completely depleted by the year 2024. It is up to MacLeod and Rameriz to put things in order and make things right. The opposition comes not just from the planet Ziest, which is the homeworld of MacLeod and Ramirez, but also from a corporation that is making money off of the ozone hole. In addition, flashbacks reveal the story of how MacLeod and Ramirez were forced to flee Ziest.