Carrie Bradshaw, a successful writer in New York City, is deeply in love with her long-time partner, Mr. Big. As they plan their elaborate wedding, Carrie and her friends—Samantha, Charlotte, and Miranda—navigate the complexities of their relationships and personal growth. Samantha struggles with her commitment to Smith Jerrod, balancing career and pleasure; Miranda faces challenges in her marriage to Steve as they grapple with infidelity; and Charlotte basks in her seemingly perfect life with her husband Harry and their adopted daughter, while yearning to expand her family further.

Tensions escalate when Mr. Big starts having doubts about the wedding, leading to emotional turmoil for Carrie. Her friends rally around her, offering support and wisdom as they each confront their own issues. As the wedding day looms, each character is forced to evaluate their personal and romantic priorities. Through laughter, tears, and heartfelt moments, the women learn vital lessons about love, friendship, and self-acceptance, setting the stage for a pivotal turning point in Carrie's life.