沉睡万年的辰南从神魔陵园醒来，在经历了一系列奇遇后名动四方。随着辰南来到央锦国遇到晨曦，新的冒险再次开启，在开元城大战、到死亡绝地寻找身世之谜、大战凌家只为求一个公正清明。在这一季，辰南会在探寻身世之谜的冒险当中不断搜寻雨馨的踪迹。
打倒“妖神颂五力”的三年后，马场柠檬已经是国中生。某日，阿拉拉城空中突然出现了巨大奇怪物体…
Ashran the necromancer has taken power in Idhún and enabled the reign of terror of the flying serpents. The first battle for Idhún's freedom will take place on Earth, where Jack and Victoria fight to stop Kirtash, the assassin sent by Ashran to destroy the Idhudites who flew from his tyranny.-微博@摆渡字幕组 整理
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!
