Mia Thermopolis, a freshman at Albert Einstein High, thinks of herself as a freak. That is a five foot nine, flat chested, size ten shoed freak. And to add to her High School/teenage troubles, she is acquainted with an "F" in Algebra I. Well, Mia's mom, who is separated but never married, just happens to fall in love with Mr. Gianini, Mia's Algebra I teacher. Months later, Mia receives a phone call from her dad, who lives in a small country by the name of Genovia. Due to the chemotherapy he had gone through to treat his testicular cancer, he had become permanently sterile. Mia, as his only child,finds out that her dad is Prince Artur Christoff Phillipe Gerard Grimaldi Renaldo of Genovia. In less than a minute she went from Mia Thermopolis to Princess Amelia Mignonette Grimaldi Thermopolis Renaldo of Genovia, the heir to the throne. Unlike any other teenager, she did not want to be a princess. She wanted to stay just the way she was, an unpopular, odd, Manhattan schoolgirl who had an obsessive crush on the hottest senior in school, Josh Richter. This ordeal was only the least of her worries. The news broke out about her royal heritage, which was when she all of the sudden became popular. The school's Cultural Diversity Dance was coming up soon, but she didn't have a date. The day before the dance, Josh asked Mia to be his date. For dinner, they met up with his "entourage". Finally, an hour after the dance started, they hitched a ride in a limo to the school where hundreds of reporters were awaiting. Mia then realized that Josh had only used her for publicity and popularity, and didn't even know her. She dumped him immediately and walked into the dance. Then she was greeted by all of her friends, who liked her for who she was, and not what she owned.