In the aftermath of her exposure at the Governor's mansion, Barb retreats into her own world, leaving Nicki & Margene to take up the slack. Hell-bent on learning who betrayed the family, Bill gathers evidence against employee Wendy, giving Don an ultimatum to fire her.
Home Plus billboards have been defaced, leading Bill and Don to scramble for repairs and a rethinking of Bill's public face on Home Plus. In the midst of crises, Bill and Barb forget Nicki's anniversary, and Joey makes a decision that will have far-ranging implications.
Bill and Nicki drive to Juniper Creek for a family reunion - and a council vote Bill hopes to leverage against Roman in the case against Joey. Barb catches Ben in a compromising position with Margene. Back home, Bill discusses a radical, polygamy-proof business option.
Bill's anxieties over his upcoming testimony in Joey's case are compounded by the presence of Rhonda, who threatens to blackmail Nicki. Looking to provide long-term security for his family, Bill meets with Carter Reese, owner of a polygamy-friendly slot-machine company.
Discussing his sideline business with Don over lunch, Bill finds himself drawn to an attractive young waitress named Ana. Nicki worries over Wayne's enrollment at a Catholic school. At Home Plus, Bill finds his deal with Weber Gaming jeopardised by Reese's impatience.
Having uncovered Bill's secret, Margene befriends an unsuspecting Ana, then arranges lunch with the unequally unsuspecting Barb and Nicki to introduce them to their prospective sister-wife. Bill discovers an underground polygamist group have resurfaced with a vengeance.
Margene's dysfunctional past is illuminated when her mother pays a visit to the Henricksons. With tensions high as the FBI close in on the fugitive polygamist leader, Bill plays a dangerous end-game to land Weber Gaming, pitting Roman against the Greenes and vice-versa.
Stressed out and exhausted, Bill proposes he take a night off from the wives every seventh day. With the Weber deal still in doubt, Bill continues to play both sides of the dispute, hoping to incite Roman to take retaliatory measures that will finish off the Greenes.
Bill enlists Nicki to sell Barb and Margene on Weber Gaming, with predictable results. Burned by Frank, Lois fights to get back into Bill's good graces, and turns to an unexpected source for advice. Rhonda finds another way to make herself the centre of attention.
Rebuffed by Barb, Bill asks Margene to accompany him to a Bar Owner's trade convention. Nicki tries to orchestrate a celebration at Juniper Creek, but ends up moving it to her house when Alby objects. Rhonda hits a new low in blackmailing Sarah, and Roman returns home.
Liberated by his trip to the convention, Bill makes Alby a tempting offer in the wake of Nicki's disclosure about Weber Gaming. Barb learns her mother is getting remarried and decides to try to make peace with her estranged family, and Pam makes Margene a proposition.
Foiled by Alby in his attempt to gain UEB support, Bill resorts to a new tack to try to bring down his nemeses. Preparing for the festivities surrounding Salt Lake City's Pioneer Week parade, the Henricksons are rocked by the appearance of an unexpected guest.
Polygamist Bill Henrickson has not been himself lately. The stress of opening the second of his "Henrickson's Home Plus" superstores has been getting to him, and he's struggling to keep up with the mounting demands from his wives and kids at home.
Bill compensates for rising demands at home and looks for protection from Roman's henchmen.
Nicki plans an extravagant birthday party for her son Wayne, much to Bill's chagrin. Bill meanwhile installs a perimeter of defence around his home while Barb tries to keep the family's secret hidden from their neighbours.
Bill seeks clarity after experiencing some unsettling dreams. Later, on a hunting trip with Ben, he gets the answer for which he's been searching. In addition, the family has its hands full during a lunar eclipse.
Bill and Barb's behaviour arouses Nicki's suspicions. Meanwhile, Bill and Don get dirt on Roman after placing an anonymous call to Attorney General's "Polygamy Czar". Margene embraces the friendship of her neighbour Pam, raising concerns from the other wives.
Bill heads to Juniper Creek to attend the funeral of his father's first wife, and to make Roman a settlement proposal he may or may not be able to refuse. Lois sees Roberta's demise as an opportunity to rise to First Wife, and Barb bails Nicki out of a jam at Home Plus.
Bill considers launching an expensive new marketing campaign for Home Plus. Alby finds novel ways to occupy his time after being excused from the Henrickson case. Barb discovers Nicki's not-so-little secret, and Roman gives his answer to Bill's settlement proposal.
Having been evicted from their temporary lodgings, Franklin, his wives and dog descend on Bill's just in time for Easter - as does Joey, who's looking for a fresh start. Furthermore, Bill surprises Roman with a final settlement offer.
Bill celebrates being free and clear from Roman, but the Prophet's meddling might not be over. Nicki drops a bombshell on Bill, hoping for forgiveness but fearing the worst. Don falls hard for a woman named Betty, while a vote-obsessed Margene leaves Chad hanging.
Barb gets an unwanted visitor who strongly disapproves of the family's lifestyle. As his feud with Roman intensifies, Bill attempts to infiltrate the UEB Priesthood Council. Margene botches her chores, sees a friendship end, and is transformed at Teenie's baptism.
The Henricksons' public stock is rising as Barb finds herself a finalist for Mother of the Year and Bill is asked to become the newest member of the Salt Lake City Leadership League. Meanwhile, the three wives mull over custody scenarios in their separate wills.
Bill and Joey blindside Roman at a UEB Priesthood Council meeting but their triumph is undermined by Wanda. Adaleen puts an end to Rhonda's thespian sabbatical. Nicki's family loyalties are tested, and Barb seizes the spotlight at the Mother of the Year Award ceremony.
With the grand opening of the Blackfoot Magic Casino only days away, the Henricksons make last-minute preparations. At the compound, Adaleen shares a shocking secret with Nicki. Worried for her safety, Lois offers Frank a piece of her fledgling bird purveying business.
Ignoring pleas from Nicki to become Juniper Creek's next prophet, Bill contemplates running for the vacant Utah State Senate seat against an ardent polygamy foe, Roy Coburn. Sarah and Scott decide to forgo a wedding in Bill's church in favour of a civil ceremony.
Bill looks for allies in Washington, D.C., and tries to land an endorsement from Congressman Clark Paley. Fearing Wanda spilled the beans to J.J., Joey goes to extremes to safeguard their dirty secret. Barb and Sarah hit a young Native American woman with their car.
Pressed by Coburn, Bill gets his family to stage an elaborate rally announcing his candidacy. Don takes a bullet for Bill over insurance discrepancies caused by his multiple wives. J.J. approaches Alby with a partial solution on how to dispose of a "flock cast adrift".
Bill pulls out all the stops in his efforts to win Paley's support for the state senate nomination, while Nicki relishes her role as his campaign's 'secret weapon'.
Ana resurfaces with a surprise revelation that shakes up the family. Bill tries to get Tommy and Jerry to rebrand the casino and expand its advertising into Idaho.
With a revenge-minded Joey in tow, Bill makes an emergency trip to Mexico after Lois and Frank's latest smuggling escapade backfires. Nicki is jolted by a doctor's news.
Sarah shakes up the family with an announcement, while Nicki makes an all-out attempt to be the woman Bill wants her to be. Margene is put on the defensive when Bill questions her real reasons for getting married.
With the State Senate election only days away, Bill puts the squeeze on Paley in an attempt to protect his candidacy. But Marilyn has an ace up her sleeve that threatens to wreck Bill's chances, or so it seems.
Bill tries to convince a native-American businessman to partner with him in a Mormon-friendly casino. Barb warms to the idea of Ana joining the family. An annual block party becomes the battleground for Bill to defend the family, and for Nicki to defend her lifestyle.
Bill and his family test out the group-dating waters with Ana, with mixed results. Barb anxiously awaits test results from the hospital, while Nicki goes to a fertility clinic. Scott encounters unexpected resistance from Sarah when he offers to join her in Arizona.
As Bill debates what to do with Rhonda, another potential witness, Kathy, goes underground with Joey and Wanda. Frank finds himself in a bind and at Lois' mercy, and tries to talk his way out of the predicament. A revelation from Ana tests Bill's commitment.
With Roman's trial looming, Bill urges the DA to offer protective custody to Kathy and Rhonda. In an attempt to get Alby to break ranks with Roman, Bill offers an olive branch. Roman has his day in court, with his guilt or innocence hinging on Kathy and her sister.
Barb, Nicki and Margene bicker over living arrangements in the wake of the Henrickson's recent expansion. In an effort to get a bank loan for his casino venture, Bill plays hardball with brother-in-law Ted who covets a valuable historical document in Alby's possession.
The Henricksons embark on a 2,500-mile road-trip pilgrimage to a Joseph Smith shrine in New York, where Bill intends to bury a family time capsule in the sacred earth. Along the way, a series of jarring revelations test the limits of Bill's faith and their family bonds.
Nicki endures a domestic intervention by Bill and Barb, followed by an unwelcome visit by Margene. Glory smuggles a copy of a potentially incendiary church document to Bill, who isn't sure how to handle the finding. Joey looks to make a life change by adding a new wife.
Bill urges the DA's office to bring a murder charge against Roman. Bill sends Don on a road trip to investigate a tribal 'grudge' involving the casino, but learns the licence hold-up may be due in fact to his brother-in-law, Ted, and the church document he bought.
Nicki comes home after getting a call from Bill, but her spirits sag when his intentions become clear. Exposed by Cindy and Ted, Barb faces an excommunication hearing at her old church. A kidnapping involving the Greenes leads Bill to reconsider his position on Roman.
Bill convinces Ray Henry to endorse his plan to rescue a kidnapping victim while bringing down the Greenes and Roman. Nicki's web of secrets gets more tangled. Margene makes the most of her opportunity as a TV pitchwoman, and Sarah shocks the family with a revelation.
In the aftermath of his election, Bill faces an uphill battle to win over his constituents and employees, while his family copes with psychological and physical traumas close to home.
Bill's attempt to stage a Safety Net meeting for polygamist leaders is hindered by Alby and Home Plus objectors.
The Henricksons try to put on a unified face during Christmas but are tested amidst numbing revelations from Barb, Marge and Adaleen. Lura takes drastic measures in response to Alby's efforts to 'purify' the compound.
Bill searches for ways to overcome the anti-polygamist sentiment swelling among state officials as his swearing-in ceremony nears. Barb, Nicki and Margene struggle with personal revelations and changed public profiles.
Bill makes a deal in the Senate but finds new obstacles to his livelihood being raised by LDS officials. Fed up with interning, Barb considers a dramatic life change that could have far-ranging consequences for all.
Barb capitulates on Bill's marital plans but not on her hopes to attain the priesthood. To shore up her case, she enlists ex-Mormon feminist Renee Clayton, much to her mother Nancy's chagrin.
Bill eyes a wedding as a chance to reseal his commitment to his three wives, though Barb remains sceptical. Meanwhile, Alby makes a game-changing power play.
Bill looks to Alby's past in an effort to thwart his ambitions, leading Alby to concoct another scheme. Meanwhile, in the wake of a festering investigation, Barb finds herself targeted as her husband's accomplice.
With Alby on the run and posing an imminent threat, the Henrickson family finds itself in lockdown mode. Meanwhile, Barb spars with Bill about her new church's stance on polygamy and her commitment to the family.
The Henricksons brace for an uncertain future, with or without Bill.