The Plastics are back in the long-awaited follow-up to the smash-hit Mean Girls... and now the clique is more fashionable, funny and ferocious than ever! Confident senior Jo begins the new school year by breaking her own cardinal rule: don't get involved in girl drama. but when she sees timid Abby preyed upon by Queen Bee Mandi and her minions, she takes sides in a viciously funny girl-world-war that turns the whole school upside down.