活了300岁的小吸血鬼，年纪永远定格在10岁。在鬼屋里长大的他，唯一的梦想就是去上学交朋友。可是，爸爸妈妈竟然不允许他出门！无奈之下，他只好晚上偷偷溜去学校，误打误撞竟与小男孩迈克尔成为了好朋友。就在这时，一只捕食吸血鬼的恶魔却悄无声息地盯上了他们……

　　女孩試圖阻止會偷走頭髮的黑暗精靈，守護村人們與生俱來的美麗捲髮。究竟她能不能成功戰勝黑暗呢...

　　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!