这是一个人鬼混居的世界，鬼通过附身在人身上的方式来达到抵达现世的目的。能够从鬼手中保护人类的，是可以穿上动力服“铠”的战士们，动力服融合了古代秘术与最新的科技，拥有强大的力量。 三轮翔（野田雄大 配音）本是平凡的男子高中生，心中充满了正义感，还有对于英雄的憧憬。在误打误撞之中，翔穿上了动力服，并且加入了和鬼进行战斗的小队之中。在那里，翔结识了拥有将鬼送往异世界的能力的女巫明神逢花（茉白实步 配音）、世世代代守护女巫一组的“忍者”服部凉（水上翔斗 配音）以及同样拥有与鬼交战的能力的女生成濑枫（坂崎绘理 配音）等人。
Not only is Marinette Ladybug, the superheroine that protects Paris from the attack of villains, but she’s also now the guardian of the Miraculous. This means that not only does she need to keep her identity hidden, but also the existence of these turbulent, magical creatures, the Kwamis! Marinette has a lot of pressure, not to mention her school and love life! Now she has less time and opportunities to tell Adrien her feelings... Marinette now has to redouble efforts to protect her secrets and Ladybug will have to become stronger to face an indomitable adversary: Shadow Moth, who can now fuse the Butterfly and Peacock Miraculous! Thankfully, Ladybug can count on Cat Noir and their new superhero allies!
