Graves visits the menacing nuclear missile he commissioned years ago; Margaret holds a press conference after events careen off the rails; Olivia hosts a brunch; Jeremy becomes an inspirational speaker; Samantha leaves town with her new band.

Graves seeks out Leonard Valentine, who engineered the nuclear-missile silo that Graves commissioned years ago; Margaret reconnects with her relatives; Isaiah reveals his still-lingering PTSD; Jeremy quits his TV show.

Graves and Isaiah take the family jet to New York on a rogue diplomatic mission to meet with Yemen President Amir Ahsan, as Graves seeks to right his most dangerous Presidential wrong.

Graves takes over baby duty when Olivia becomes frustrated; Margaret commits a televised blunder as she faces off against Jerry North; Isaiah and Katie become more passionate; Jeremy receives the Dalton paternity test results.

Olivia goes into terrible labor at the Graves compound; the whole family gets into the act as Olivia gets coaching in the birthing pool from her midwife and "mandoula"; Jeremy undergoes a psychotherapy session.

Graves returns to the White House for a state dinner; Jeremy buddies up with tech billionaire Jonathan Dalton, then springs a paternity test on him; Isaiah prepares a sushi feast for Katie; Sammy takes over as lead singer of the bar band.

Graves reunites with his first wife who reminds him of his idealistic youth. Margaret throws a lavish baby shower for Olivia. Jeremy hires a private eye to quell rumors. Isaiah secretly submits Samantha's song to a radio network.

Graves and Isaiah take a chaotic trip to Graves's childhood home, while Margaret hits the campaign trail and is challenged by incumbent Senator Jerry North. Olivia fabricates a story about her baby's father. Jeremy is rattled by rumors.

Graves and Isaiah go elk-hunting. Margaret searches for her husband so he will be by her side when the primary results are revealed. Olivia considers having a home birth and Jeremy gets advice as his TV talk show goes nightly.

Graves works on his autobiography in seclusion; Isaiah visits to bring him back. Margaret Graves competes in the primaries with the help of her new campaign team. Olivia and Samantha develop a friendship, while Jeremy embraces his TV success.