After the apocalyptic melting of the ice caps, the water rose to extremely high levels that everything else drowned. The lands became inhabitable forcing people to flee on mountain ranges, high enough the water won't reach them. It came a point where people managed to create floating cities, cities above the sea level but to maintain peace and order, the government has created a united army front, the Air Fox. Numerous people rose in revolt against the said army and it has terrorized citizens of every city from day in and day out. Determined to rescue its people, survivors of the Air Fox will try its best to rid of the rebels in one way or another.