"So, what I want to know is, if my dad's an actual prince, how come I have to learn algebra?" Mia ponders this, and much more, when she finds out that her father is prince of Genovia. Living with her cool artist mom in New York City, Mia can't imagine leaving to become princess in Genovia. But because her father can't have any more kids, she is the heir to the throne. Accepting her title means getting lessons on being a perfect princess and leaving Manhattan - will Mia eventually give in to her father and become Princess Amelia Mignonette Grimaldi Thermopolis Renaldo?