Dave and Katie balk at Dr. Foster's idea to spend time together without their children; Carolyn tries a different approach to get pregnant; Jamie finds herself drawn to Nick despite her promise of celibacy.

Another suggestion from Dr. Foster is met with skepticism by Dave and Katie; Palek and Carolyn seek a fresh start after a recent, stressful decision; Nick invites a reluctant Jamie to a family affair.

Katie and Dave finally have some time alone when the kids stay at their grandparents'; Carolyn and Palek look for a new place to live when their current one sells quickly; Jamie gets a surprise visit from Hugo, but the news doesn't sit well with Nick.