Mia Thermopolis, the 21-year-old princess, is next in line to inherit the throne of Genovia from her grandmother. However, Viscount Mabrey challenges her coronation, citing a law that states an unmarried woman cannot be queen. With the support of Parliament, he opposes Mia's succession.

The Princess Diaries 2: Royal Engagement
Princess Mia navigates a royal crisis when she's forced to consider an arranged marriage with a British suitor, challenging her sense of duty and self-discovery.