In the year 2090, Earth has suddenly become the target of deranged aliens known as the Cranassians. Following the invasion, the World Alliance Military builds a new cutting-edge weapon, the Raiden Supersonic Attack Fighter. Based on a captured alien craft, it is humanity's only hope for survival.

In the year 2090, Earth has suddenly become the target of deranged aliens known as the Cranassians. Following the invasion, the World Alliance Military builds a new cutting-edge weapon, the Raiden Supersonic Attack Fighter. Based on a captured alien craft, it is humanity's only hope for survival.