A girl sets her best friend up on a date with her cousin

A woman is determined to stop the wedding of her best friend, since she has been secretly in love with him.

When she receives word that her longtime platonic pal Michael O'Neal is getting married to debutante Kimberly Wallace, food critic Julianne Potter realizes her true feelings for Michael -- and sets out to sabotage the wedding.

Altruistic Jane finds herself facing her worst nightmare as her younger sister announces her engagement to the man Jane secretly adores.

With the wedding of her younger sister fast approaching, Kat Ellis faces the undesirable prospect of traveling alone to London for the ceremony. While this is bad enough, Jeffrey, the man who left her as they moved closer to marriage, happens to be the groom's best man. Determined to show everyone -- most of all Jeffrey -- that her romantic life is as full and thrilling as ever, Kat hires a charming male escort as her date.

During their travel from Chicago to New York, Harry and Sally debate whether or not sex ruins a friendship between a man and a woman. Eleven years later, and they're still no closer to finding the answer.