Leona Ozaki joins Newport City's infamous Tank Police division. With aid of Al and her newly built mini-tank, Bonaparte, she wages war on Buaku and his cohorts, the Puma Sisters.

In a dystopic pollution ridden future, the tank police fight for law and order and cause massive collateral destruction along the way.

In 1999, Gigelf Liqueur, aided by the Magician's Guild, set into motion a plan to open a gate between Earth and the world of Nemesis. The intent was to exchange Earth's polluted air and water with clean air and water from Nemesis.