Still in the Hamptons, LuAnn and her kids get a surprise visit from Rosie who is no longer their housekeeper but is still concerned about the family as a whole. The Singers and the Van Kempens meet for dinner and the subject of a comment Mario made to LuAnn comes up. Bethenny and Jason head out for a romantic dinner and Jason asks Bethenny to move in with him. It's Labor Day weekend and both Ramona and LuAnn decide to throw parties - the issue becomes which party will the ladies go to?