Four good friends-sensible Sarah, complicated Laura, too-cool-for-school high school teacher Beth, and funky hairdresser Jess-are back together in New York City. Somehow, they have managed to stay friends through tough times; however, the girls are heading for another bumpy ride. How well do they really know each other? Sarah has planned a two-month visit to New York, where she will help her friend Kevin set up his new British teashop in the heart of Manhattan. Leaving behind her Notting Hill studio flat, Sarah heads to the Big Apple with tea bags at the ready. With Christmas looming, Sarah gets the present of a lifetime when she meets Nathan Dixon, a famous Formula 1 driver, while working in the teashop. Sarah, who would never cast judgment on anyone, must now deal with the whole country casting judgment on her! With Christmas over, a celebrity New Year's Eve party is the perfect platform for Laura to create a night Sarah will never forget. Can Jess and Beth protect Sarah from Laura again, or is Laura the one that needs protecting? Sarah returns home to Notting Hill, hoping to regain a normal life, but Laura has other plans for Sarah. There's a fine line between love and obsession...