The little women visit "Sin City" and they're determined to give Las Vegas a run for its money while celebrating Traci and Christy's bachelorette parties. The women buy Traci a few drinks to see if they can loosen her up and are blown away by her hidden wild side. The men join the ladies in Vegas and in a spur of the moment decision Christy decides she wants to elope, but will Todd go along for the ride?