When Mike's mom, Peggy, needs gallbladder surgery, she shocks Molly by asking her to take care of her dog. Meanwhile, Molly is thrown when Mike starts talking about being buried next to her when he dies.
Jay's birthday is coming up, and he makes it well-known that he wishes to keep it as low key as possible, while Gloria struggles with how to break her pregnancy news to him. Phil takes Jay on a very unconventional fishing trip with his buddies.
Phil and Claire plan to vacation and enjoy life once Luke leaves for college, so Phil goes in for a vasectomy. Meanwhile, Jay and Gloria disagree about whether or not to find out the sex of the baby. Mitch tries to steer Cam towards getting a job.
Mike meets with famous rock climber and ex-girlfriend Billie Cassidy to persuade her to let Outdoor Man sell her line of climbing gear. Billie agrees to the deal, but Mike is wary of her one condition: that he has to go on the campaign trip with her.
When a massive blackout threatens to stop the finale from airing, the whole cast has to band together to light up the stage. Reggie attempts a rapprochement with Gabby, while Nick works to convince the network that this show is something special.