S1, A2: Back in the Hamptons, feelings and egos are bruised when Ramona throws a cooking party for several ladies and invites LuAnn but not Jill. Jill invites LuAnn to be her doubles partner in her big tennis match against Ramona at the end of the summer, and things get heated as they duke it out on the tennis court, leaving spectators to wonder if there was something more going on than just a friendly match.