Princess Marie and her sister Aliah are headed off to school in a city they do not know accompanied by bodyguards Nino and Plagg. At the behest of Marie, their identities are kept a secret from the student body. What happens when the school's most popular, snobbish couple takes an interest in them or a certain wanna-be popular decides to take out the competition? With this new beginning, they are sure to be safe from a dark secret that haunts their pasts, or so they think...