Ann and David Smith, a seemingly happy couple in New York, celebrate three years of marriage. One day, Ann poses a thought-provoking question: if given a second chance, would David choose to marry her again? His unexpected response of "No" leaves her stunned. As the day unfolds, both Ann and David uncover a shocking twist — a legal technicality reveals they are not actually married at all. This revelation forces them to confront their relationship and the true meaning of their commitment to each other.