As the birth date of her triplets quickly approaches, a frazzled and emotional Rebecca forgets Jack's birthday. Dr. Katowski struggles with the loss of his wife and wonders how he'll be able to continue on with his life without her. Joe, the firefighter who delivered baby Randall to the hospital, fights to save his marriage.

Kate and Toby go to Las Vegas for their bachelor/bachelorette parties. Meanwhile, Jack and Rebecca celebrate their wedding anniversary.

Randall's campaign comes to a close. Kevin meets someone from Zoe's past. Kate and Toby get ready for the baby.

Kevin and Madison get an unexpected guest.

Rebecca has a big announcement to make at Thanksgiving dinner.