Blanche feels that her house is no longer her own. Tricia and Gail cause a stir with their hot pants as they prepare for their tandem picnic with Jerry. Tricia gets tired of biking and returns on Jerry's bike, leaving Jerry and Gail with the tandem. The Langtons try to persuade Blanche to let them convert the upstairs into a flat. She agrees. Tricia worries about Jerry and Gail's whereabouts.