 Daphne, a free-spirited American 17-year-old (Amanda Bynes) raised by her equally free-spirited mother goes to England to establish a relationship with her father (Colin Firth), who turns out to be a prominent political figure heavily involved in social customs. Daphne must attempt to fit in with the social requirements demanded of her, while also getting to know her father, dealing with his territorial other daughter, and maintaining her own self-identity.