As Rebecca's pregnancy drags on, she forgets Jack's birthday, Nathan copes with his grief, and Randall inadvertently intervenes in a difficult marriage.
Jack and Rebecca throw three separate birthday parties; Toby helps Kevin with a romantic gesture; Kate gets a new plan; Randall helps William with his bucket list.
Jack and Rebecca receive shocking news, Randall feels pressure both at work and at home, Kate's plans are thrown off kilter, and Kevin tries to win over Sophie.
Jack and Rebecca argue before the beginning of her tour, Kevin faces another opening night, while the entire family gathers at Randall's for an unusual party.
Randall and Beth adjust to a new family dynamic; Kate books her first big gig; Kevin suffers a setback; Jack and Rebecca are visited by an unwelcome guest.