Welcome to a world ravaged by explosions of violence, a world without love. Jung, the broken-hearted hero, pursues his quest: reunite with Maria, his lost love, savagely decapitated by Little Jesus. He can count on the support of allies met along his bloody path, encounters that provide an understanding of others, but especially of himself. He also has to deal with his “violent outbreaks,” an incontrollable curse that springs from his murderous soul.

　　守护者马丽娜失去了奇迹宝盒以及宝盒里的精灵！如今的马丽娜只剩下奇迹米可幻奇，艾俊也只剩下自己的黑猫米可幻奇。马丽娜十分自责，对自己守护者的身份和能力产生了质疑。没有了宝盒中的其它米可幻奇，超级英雄小分队再也无法一并作战，而他们的敌人却变得更加强大。影魔蝶如今称呼自己为魔煞，拿到奇迹宝盒的他与最终的胜利咫尺之遥。在掠夺过来的米可幻奇超能力的加持下，魔煞的战斗力有了极大的提升。他还打造了全民"联盟"戒指计划，企图通过这个智能设备获取奇迹少女和黑猫罗尔的蛛丝马迹。魔煞把米可幻奇能量赋予被他黑化的人，制造出更强大的超能反派。两位英雄主角孤身奋战，但他们将会比以往任何时候都更加团结。他们该如何打败强大的魔煞以及超能反派？

　　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?