Humanity leaves Earth and searches for new hope through life in the space colonies. But the United Earth Sphere Alliance, in order to hold the interests of the colonies in their hands, assassinate the colonies' leader who has voted for disarmament. Under the pretext of bringing justice and peace to the colonies, which are in confusion, they oppress each colony with their overpowering military force. Then, in order to cut off all solidarity between the colonies, they install space mines on the routes, thus severing traffic streams and communication.
20 years later - the year is After Colony 195.
"Operation Meteor" is the strategy's name.
A few inhabitants of the colonies, who consider the Alliance to be an enemy, start putting into action their plan to sneak cleverly disguised new weapons to the Earth.
But, this strategy has already been noticed by the Alliance headquarters...