Uptight bride-to-be Evelyn reluctantly attends the “bachelorette party” thrown for her by wild child sister-in-law, Alison. While Evelyn’s disapproving friend Zoe cringes at the gifts of dildos and vibrators, flower-child Jessie suggests a friendly game of Truth or Dare. But when stripper-gram girl Chastity Lynn arrives to give a lap dance to the blushing bride, the truth about Evelyn’s secret desires is finally revealed.