Once upon a time, Melanie Layton and Tennyson O'Rourke were inseparable--but their friends-4ever promises were shattered when an explosive secret was revealed at Mel's wedding, a secret that destroyed her family. The two haven't spoken for the past twenty-some-odd years, and they'd be happy if they never crossed paths again. But now Mel's daughter and Teeny's son have fallen in love--and announced their engagement. Amid the flurry of cake tastings, dress fittings, seating charts, and bridal showers, Mel and Teeny confront their past mistakes--with twenty years of pent-up drama. When the day of the wedding finally arrives, their friendship might just be something old and something new.