Bill fights for his right to be sworn in as senator; Barb, Nicki, and Margene struggle with personal revelations and changed public profiles.

Bill finds success in the Senate but finds new roadblocks set up by the Mormon church. Barb comes to a new conclusion about her life. Cara Lynn's adoption faces a new obstacle. Lois recalls her past with Frank.

Bill refuses to give in to Barb's vision of the church; Nicki chafes at the status quo; Margene looks to rally the children of polygamy.

Bill eyes a wedding as a chance to reseal his commitment to his wives; Alby makes a game-changing power play.

Bill fights for his family and his freedom; Alby looks to settle unfinished business; Nicki plans a new future for Cara Lynn.