Bill gets a new home security system, Nicki throws a birthday party, new neighbours move in, and Margene meets her mother-in-law. Meanwhile, there's a break-in in Bill's hardware store.

Nicki suspects that Bill is having an affair and is considering bringing a fourth wife to the family. Margene, feeling alone in the big house, befriends the new neighbor, Pam Martin. Bill goes after Roman and tries to expose him, but polygamy accusations also fly in the Home Plus. Meanwhile, Ben is trying to cope with his arousing sexuality and being a teenager.

Bill attends the funeral of Frank's first wife Roberta at Juniper Creek, and strikes a deal with Roman. With Roberta out of the picture, Bill's mother Lois attempts to rise up on the social ladder at the compound, and Barb and Nicki find themselves in a hairy situation at Henrickson Home Plus.

Bill and Roman's disagreements result in lawsuits from both sides as well as unwanted houseguests from the compound. Sarah learns about her family's history from her grandmother and Joey confides in Barb.

Both Bill and Barb get social recognition as Barb is selected as a finalist for a "Mother of the Year" award and Bill is asked to become a member of the Salt Lake City Leadership League. Meanwhile, the sister-wives draw up their wills, and Rhonda gets to know what life outside the compound is like for teenage girls when she hangs out with Sarah and Heather.

To Roman's surprise, Bill and Joey attend the UEB priesthood council meeting. Alby's visit to Wanda brings out her old habits, which could potentially land Bill in a big trouble. Rhonda uses the acting competition as an excuse to leave the compound but she discovers that her family isn't willing to let her go. Finally, Barb attends the Mother of the Year awards ceremony but not all goes as expected.

After they're outed as polygamists, Barb decides to leave the family while Bill starts an investigation of who leaked the information. Meanwhile, Sarah attends a support group for ex-Mormons

Bill and Don investigate who's responsible for ruining one of the Home Plus advertising signs. Alby gets the police to look into the poisoning case. Meanwhile, Nicki is mad at Bill for his forgetting their anniversary.