The moms' weekend comes to a close with a revealing game before the gang all heads back to the city. Everyone returns to the Hamptons ready to celebrate Kyle's birthday weekend. Carl and Lauren clear the air of all the past weekend's drama, Stephen goes on a blind date, and Danielle has a houseguest. Everything kicks into high gear when Kyle's "revolutionary" 35th birthday party gets officially sent as Lindsay anxiously awaits the arrival of a very special guest.