在这部夜之小双侠动画片中,《夜之小双侠》以系列作品中的反派角色“杜伦布贼党”的后裔为主人公。小双侠在打败杜伦布后所建立的王国并非如此美好，相反地却让人民饱受苦难。新生杜伦布的首领继承了多龙芝之名，向小双侠发动了复仇…..
Once upon a time, Yattarman who is a heroes of the justice. After having won the fight with Doronbo who is a gang of the evil, Yattarman established their country "Yattar-Kingdam". The present day, people in "Yattar-Kingdam" were living under a tyranny. Descendants of Doronbo, they blood boils with righteous indignation, and rise up against Yattarman.
