It's New Year's Day in Tasmania and the life Lexi Villiers has carefully built is working out nicely: she's in the second year of her medical residency, she lives on a beautiful farm with her two best friends Finn and Jack, and she's about to finally become more-than-friendly with Jack--when a helicopter abruptly lands. Out steps her grandmother's right-hand-man, with the tragic news that her father and older brother have been killed in a skiing accident. Lexi's grandmother happens to be the Queen of England, and in addition to the shock and grief, Lexi must now accept the reality that she is suddenly next in line for the throne--a role she has publicly disavowed.

Returning to London as the heir apparent Princess Alexandrina, Lexi is greeted by a skeptical public not ready to forgive her defection, a grieving sister-in-law harboring an explosive secret, and a scheming uncle determined to claim the throne himself. Her recent life--and Jack--grow ever more distant as she feels the tug of tradition, of love for her grandmother, and of obligation. When her grandmother grants her one year to decide, Lexi must choose her own destiny: will it be determined by an accident of birth--or by love?