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!

　　With time, Marinette and Adrien ended up becoming friends. But the collège girl discovers that declaring her feelings for her friend is not so simple, in fact, it will be almost the opposite!
　　For Ladybug and Cat Noir, despite their new powers and teammates that they can call upon when the situation requires it, the fight with Hawk Moth becomes harder and harder. Their opponent is always stronger as long as he can call on Mayura, a villain who can create allies for the Akumatized, the supervillains.
　　More powers, more action, more villains, and more emotions! Season 3 will put Adrien and Marinette to the test: Will they be able to keep their secret and prevent their private life from interfering with their superhero adventures?

　　By daylight, Marinette Dupain-Cheng and Adrien Agreste are ordinary teenagers. But unbeknownst to their family and friends, the two of them carry a huge secret...using the powers of magical creatures called Kwami, they transform into the superheroes Ladybug and Cat Noir! With a mission to protect the city of Paris from the evil Hawk Moth, the two of them must learn to cope with their new responsibilities, as well as ordinary troubles involving love, school, family, and friends. Most of all, they must learn to put their romantic feelings aside in order to perform their duty, unaware of each other's true identities.
　　The second season premiere is scheduled for a global launch around September–November 2017 in Europe, At a panel at San Diego Comic-Con 2017, it was announced that the second season would have its North American release on Netflix in December 2017, with 13 episodes to be released. KidsClick will start airing season 2 of this show in the US starting 30 August 2018, marking the first time that Season 2 of this show airing on American over-the-air television. A third season is also in development. On 22 January 2018, Zag posted on Instagram that the crew was working on a fourth and fifth season. On 31 August premiered a new series with Miraculous: Tales of Ladybug & Cat Noir which this time is in chibi style. On 5 September, 2018, Skydance Media has acquired the live-action film and live-action television rights.

　　劇情設置在現代巴黎，中法混血的Marinette Dupain-Cheng（瑪麗內特·杜平-程）是一個(gè)普通的中學(xué)女生，性格有些猶疑羞澀，夢(mèng)想成為時(shí)裝設計師，暗戀同班的帥氣男生Adrien Agreste（阿德里安·阿格里斯特）。當有壞人威脅巴黎時(shí)，Marinette化身正義勇敢的英雄Ladybug（瓢蟲(chóng)），搭檔愛(ài)調戲人的Chat Noir（黑貓），一起打擊邪惡勢力。但Marinette并不知道面具下的Chat Noir正是她一直不敢表白的男生Adrien，而Adrien也不知道自己的暗戀對象Ladybug卻是Marinette。
　　Set in modern-day Paris, the series focuses on a teenage junior high school girl named Marinette Dupain-Cheng and her classmate and crush Adrien Agreste. When evil arises, Marinette becomes a superhero named Ladybug, while Adrien becomes Chat Noir/Cat Noir. Not knowing each other's true identity, the two work together to protect Paris from a villain named Hawk Moth who covets their powers.

　　樂(lè )小宇受力奧和劍齒虎的委托，需要穿越到過(guò)去不同的時(shí)空，尋找分裂成十塊的核晶碎片。與此同時(shí)，外星鈳龍奧米伽為了搶奪核晶，也陸續派出十大鈳龍屬下前往地球。為了阻止核晶被搶、地球被侵略，樂(lè )小宇和同伴福星、立夏先后喚醒了以霸王龍為首的多個(gè)遠古鈳龍加入隊伍，共同展開(kāi)一場(chǎng)又一場(chǎng)驚心動(dòng)魄的熱血冒險歷程。

　　樂(lè )小宇受力奧和劍齒虎的委托，需要穿越到過(guò)去不同的時(shí)空，尋找分裂成十塊的核晶碎片。與此同時(shí)，外星鈳龍奧米伽為了搶奪核晶，也陸續派出十大鈳龍屬下前往地球。為了阻止核晶被搶、地球被侵略，樂(lè )小宇和同伴福星、立夏先后喚醒了以霸王龍為首的多個(gè)遠古鈳龍加入隊伍，共同展開(kāi)一場(chǎng)又一場(chǎng)驚心動(dòng)魄的熱血冒險歷程。

　　樂(lè )小宇受力奧和劍齒虎的委托，需要穿越到過(guò)去不同的時(shí)空，尋找分裂成十塊的核晶碎片。與此同時(shí)，外星鈳龍奧米伽為了搶奪核晶，也陸續派出十大鈳龍屬下前往地球。為了阻止核晶被搶、地球被侵略，樂(lè )小宇和同伴福星、立夏先后喚醒了以霸王龍為首的多個(gè)遠古鈳龍加入隊伍，共同展開(kāi)一場(chǎng)又一場(chǎng)驚心動(dòng)魄的熱血冒險歷程。

　　樂(lè )小宇受力奧和劍齒虎的委托，需要穿越到過(guò)去不同的時(shí)空，尋找分裂成十塊的核晶碎片。與此同時(shí)，外星鈳龍奧米伽為了搶奪核晶，也陸續派出十大鈳龍屬下前往地球。為了阻止核晶被搶、地球被侵略，樂(lè )小宇和同伴福星、立夏先后喚醒了以霸王龍為首的多個(gè)遠古鈳龍加入隊伍，共同展開(kāi)一場(chǎng)又一場(chǎng)驚心動(dòng)魄的熱血冒險歷程。

一對一起做實(shí)驗的高中校友守著(zhù)一個(gè)秘密：其中之一的Marshall發(fā)現了全世界最厲害的藥物，是一種可以治愈幾乎一切病痛的蘑菇。但是，要將它介紹給全世界是非常艱難的：美國緝毒局、大型制藥公司和國際上的商人們都想阻止其面市。

　　炎炎夏季里的平凡周末，湊智花（花澤香菜 配音）鼓起勇氣，希望向長(cháng)谷川昴（梶裕貴 配音）請教暑假作業(yè)。爽朗的昴一口答應，并邀請她來(lái)家中做客。二人由此開(kāi)始了充滿(mǎn)各種小心思和小尷尬的周末補習。與此同時(shí)，三沢真帆（井口裕香 配音）、永冢紗季（日笠陽(yáng)子 配音）、袴田日向（小倉唯 配音）、香椎愛(ài)莉（日高里菜 配音）四人無(wú)所事事，不知該如何打發(fā)漫長(cháng)而無(wú)聊的暑假。最終她們決定，合力制作主題為智花的印象蛋糕。說(shuō)干就干，女孩們分頭忙碌起來(lái)。而當這兩組人馬湊到一起之后，又會(huì )發(fā)生怎樣有趣的故事呢？
　　本片根據蒼山サグ（原著(zhù)）、Tinkle（插畫(huà)）的輕小說(shuō)改編，是同系列動(dòng)畫(huà)片的OVA。