Searching for new resources, the Reconnaisance Fleet goes into the deep space. But four months after their mission begins, all contact is lost. Suddenly, three years later.... the Fleet returns, but they have been consumed by alien life forms. Now they have come to attack the earth. But no need to be flurried. Now the time has come to "Solider Blade." Equipped with a miniature Bias Drive, the fight goes on! You become a member of the team "Super Interception Airforce", and destroy the enemy!