Dr. Emma Lloyd (Uma Thurman) is a popular New York radio DJ whose sensible, practical love advice is listened to and loved by women everywhere. Off-air, her own life is equally successful with wedding plans to dependable fiancé Richard (Colin Firth) running smoothly, until that is she makes a chocking discovery: she’s already married – and to someone else! With her life turned upside down, Emma franticly sets out to track down the mystery man to annul the marriage. However, as the truth unfolds, she discovers that following her own advice might not be as easy as she thought…