A friend's divorce shakes Jack and Rebecca's marriage; Kevin tries to pick up where he left off with Sophie; anxiety takes hold of Randall's family; Toby throws a wrench in Kate's plan.
Toby helps Kevin with a grand romantic gesture; Kate gets a new plan; Randall helps William with his bucket list; Jack and Rebecca have their hands full with three separate birthday parties.
Jack and Rebecca get big news; Randall struggles to understand William's relationship with Jesse; Kate and Toby deal with the aftermath of his heart attack; Olivia throws Kevin for a loop.