The family of friends get together once again to celebrate the life of a loved one who dies unexpectedly; Katherine shows Maggie the secret to registering for baby gifts; Rome supports his father through a difficult transition.
A fan unexpectedly steps behind the mic at Maggie's radio show; Walter tries to convince Rome he is more than capable of being behind the wheel; Eddie makes moves to reenter the dating pool and gets some help from an unexpected ally.
The ladies treat Maggie to one last hurrah before the baby's arrival; the guys attend a Bruins game for the last time; Eddie toys with the idea of going back to college; Rome anxiously awaits news about his father.
Gary and Maggie gain much more than breathing techniques at their birthing class; Rome and Regina's quest to hire a caregiver for Walter takes an unexpected turn; Theo learns a tough life lesson from an unlikely duo.
Maggie and Gary explore the possibility of a home birth; Regina and Rome adjust to life with their new roommate; Katherine and Greta reach a crossroads in their relationship.
With the impending arrival of their baby, Maggie wraps things up at work while the guys help Gary set up the nursery; Regina's efforts to help Dustin cause a rift with Rome; Katherine plans a surprise for Greta's birthday.
Regina and Rome face challenges living with Walter; Eddie cautiously navigates his friendship with Nicole; Gary reunites with a relative who provides a new perspective on the past.
Secrets are revealed when Katherine meets Greta's parents; Maggie returns to unexpected changes at her workplace; Rome and Omar reluctantly come together to make an important decision.
Gary feels the weight of his first Father's Day as a new dad and his first without his own father; Eddie deals with an emergency; Rome searches for a suitable environment for Walter.
Katherine and Greta celebrate their wedding in spite of several setbacks. Regina faces tough competition, while Maggie and Gary navigate parenting decisions.