Marinette and her friends are finally in their senior year of high school. but while studying being in love and trying to enjoy their last year of school Shadow Moth has a evil plan up his sleeve to get rid of Ladybug and Cat Noir once and for all. with the help of a Evil warlock from another universe named Meldazer magic and power will be at their grasp and not just will Paris be in jeopardy but so will the entire world and all of man kind all universes will be destroyed if they win. this is the last fight for all good and evil. who will win?