１３年前。突如、悪の軍団“怪人”が地上１万ｍ上空に巨大浮遊城を率いて現れ、人類への侵略を開始した！怪人達は、不死身の再生能力を用いて人類を脅かす。そんな怪人達から人類を守るべく、“竜神戦隊ドラゴンキーパー”は不思議な力を持つ武器“神具”を用いて抗い続ける！攻める怪人！守るドラゴンキーパー！悪の軍団による世界征服の行方は……。空前絶後の戦隊アクション、開幕!!

Thirteen years ago, suddenly the Villainous Army of evil appeared in their gigantic floating castle 10000 meters in the sky to invade Earth! The villainous army have reviving capabilities that make them immortal, making them a serious threat to humanity. To protect us against these invaders, the Divine Dragon Rangers, the Dragon Keepers, wield their miraculous powers and their weapons, Divine Tools, and continuously fight for our safety! The assault of the Villainous Army! The vigilance of the Dragon Keepers! Will they succeed in their conquest…? Find out in the action-packed superhero series of a lifetime!