Opening scene and characters

It's Halloween in Paris, France and you know what Halloween is? Going trick-or-treating, dressing up in costumes, and going to fun Halloween parties. It also means that it's a scary Halloween night and all the creatures of the night come out at night like this. What will happen if something scary comes out in the dark and ruins Halloween for all of Parisians? Will Ladybug and Cat Noir help stop the horrid madness and save Halloween?