在这部热风海陆Bushiroad动画片中,小行星撞击地球，主要大地受到名为「忍」（シノビ）的毒害，形成异形攻击人类，人们只能逃向以前是海底的「海陆」；拯救的方法唯有复活「机神将」（机神将（ギガロード））。约五百年后，亡国「伊势」的公主巫女雨、与拥有人间兵器「柳生」（ヤギュウ）之血的少年周防二人挺身而出……
An asteroid collision brought with it a deadly menace known as "Shinbo" lead humanity to retreat to land reclaimed from the sea. The one ray of hope is a device that can fight the Shinbo called "The Mechanical Divine General."
