In a corner of the world, a typical teenager named Mia Thermopolis discovers that she is the sole heir to the throne of a small and charming European country called Genovia. Raised in San Francisco by her artist mother, Mia is an awkward high school girl, filled with insecurities and sporting a rebellious mane that makes her the target of teasing. However, her life takes an unexpected turn when she receives a visit from her grandmother, Queen Clarisse Renaldi.
The grandmother, an elegant and disciplined woman, arrives with news that changes everything: Mia must be educated in royal customs and prepare to embrace her new role. From lessons in etiquette and manners to the emotional turmoil of coping with the pressure of being a public figure, Mia faces a world completely different from the one she has known. Meanwhile, she also navigates the typical ups and downs of adolescence, including issues with friends and her first crushes.
With her grandmother's help, Mia begins to see herself in a new light, discovering her inner strength and true potential. The film is not just a fun journey of self-discovery, but also deals with themes of acceptance, family, and the importance of staying true to oneself amidst a whirlwind of expectations. Amidst laughter and awkward situations, Mia will learn that being a princess means so much more than just wearing a tiara; it’s about leadership, responsibility, and, above all, love.