Bill convinces Ray Henry to go along with his idea to rescue a kidnapping victim; Nicki has a surprise visitor; Alby hatches a deadly plot to consolidate his power; Sarah makes a surprise announcement that shocks the family.

With the grand opening of the Blackfoot Magic Casino only days away, the Henricksons make last-minute preparations. Meanwhile, the feds probe the whereabouts of Roman Grant; Adaleen shares a shocking secret with Nicki; Margie makes an on-air slip-up; Bill and Nicki's smarmy ex, J.J. Walker, work out an arrangement allowing Cara Lynn to stay at the Henrickson's.

Bill, Nicki and Cara Lynn travel to Washington, D.C., where Bill tries to land an endorsement from Congressman Clark Paley while mending things with Nicki. Meanwhile, Margene's on-air triumph is tempered by a case of mistaken identity; Joey goes to extremes to safeguard a secret; and Barb and Sarah hit a young Native American woman with their car.

After being elected state senator, Bill Henrikson announces that he is a polygamist, and he and his families are attacked from every side; Alby Grant returns from living in the desert with the idea of purifying the compound and getting revenge.