Regan, Gena in Katie so tri neodgovorne in zavistne prijateljice, ki za svojo debelušno znanko Becky tik pred njeno poroko z zaročencem Dalom organizirajo dekliščino. Med divjo nočjo, polno alkohola in mamil, pa dekleta po nesreči uničijo Beckyjino poročno obleko, ki naj bi jo oblekla prihodnji dan. Kaj zdaj? Regan Gena in Katie imajo tako le preostanek noči in del prihodnjega jutra čas, da Becky zagotovijo novo poročno obleko. Jim bo uspelo?
On the night of one of their old high school friend's wedding three irresponsible and capricious bridesmaids reunite for one last bachelorette bacchanal in the Big Apple. They unintentionally create a mess of their best friend Becky's wedding dress, before she marries her sweetheart Dale. They attempt to repair the situation by spending the evening before and morning of the wedding desperate to get the dress to Becky on time before the wedding starts, whilst discovering themselves and what they truly want from their lives along the way.