Miraculous ladybug

Marinette 16 year-old girl outside of that miraculous ladybug, a hero who protects her city of Paris with long live Adrian the same as age as her and also cat noir, Chloe the squirrel hero, the same age Alya the fox hero the same age the four of them are close friends, and then one day in their city. Some their city was under attack with some kind of force, but they don’t know what it is and also they don’t know who was I fighting against that force to figure out in this story