The Osage community gathers in a lodge, led by the Non-hon-zhin-ga, who prepares and hands the sacred Pipe to the Wife of the Pipe Keeper. She mourns its loss as the community exits, setting plans to bury it the next day. This establishes cultural reverence and foreshadows the clash between tradition and encroaching change.

The Osage community gathers in a lodge where the Non-hon-zhin-ga wraps the sacred Pipe and entrusts it to the Pipe Keeper's Wife. After communal mourning, they prepare to bury the Pipe the following day, establishing cultural reverence and loss.

Ernest Burkhart, a disheveled WWI veteran, arrives at the train depot and observes the wealthy Osage community. Henry Roan drives him to Hale's ranch, where Hale warmly welcomes him and offers a job as a driver due to Ernest's stomach condition. Byron joins the discussion, emphasizing the need to avoid trouble, and Hale gifts Ernest a book, advising caution and intelligence.

Ernest arrives in Fairfax as a war veteran, connects with Uncle Hale who gives him a driver job, and immediately starts working—showcased when he chauffeurs Mollie during her errands amid Osage wealth displays and town chaos.

Ernest begins driving Mollie, leading to playful interactions and growing intimacy. He drops her off, studies Osage culture, and attends her baby naming ceremony. Their relationship deepens through shared dinners, church services, and family picnics, culminating in Ernest proposing and their traditional Osage wedding. Despite a brief criminal diversion (robbing the Denoyas), the core focus remains on winning Mollie, ending with their marriage.

After flirting with Mollie, Ernest shifts focus: he, Blackie, and Byron rob the Denoyas of diamond rings, then lose everything gambling in a poker game, ending in defeat at dawn.

Ernest attends Mollie's baby naming ceremony, bonds with her over dinner and whiskey, integrates into her family at church and picnics, proposes, and marries her in an Osage-style wedding.

Begins with Minnie's death and cultural rituals (Scene 8-9), shifts to domestic tensions and Anna's drunken violence (Scene 10-11), and concludes with her sober departure after Minnie's wake. Highlights cultural erosion, family fractures, and rising volatility.

Begins with Minnie's giveaway ceremony and her visible decline, transitions to her wake where family tensions surface, then shows Anna's drunken confrontation at Mollie's home where she threatens violence. Concludes with Anna sobering up and leaving after tender moments with Mollie and Lizzie, resolving the immediate crisis but foreshadowing deeper tragedy.

The Osage tribe holds an emergency meeting to address the murders, pooling resources for a reward and dispatching Barney McBride to Washington. Shifts to Anna's funeral arrangements, will execution, and Mollie's first meeting with detective Burns, who begins probing Anna's death—revealing Bill Smith's suspicious ties and Anna's pregnancy through flashbacks.

The Osage hold an emergency meeting, debate distrust of white authorities, raise reward funds, and dispatch Barney McBride to Washington D.C. to demand federal intervention.

Ernest conspires with Blackie to kill Bill Smith and Reta, while Burns uncovers Anna's pregnancy. Blackie steals Ernest's car per Hale's secret deal, leading to Mollie voicing distrust. Hale then punishes Ernest for the theft, forcing him to kneel and confess, cementing Hale's dominance. Ends with newsreel footage of the Tulsa Massacre.

Anna's funeral (Scene 14) and will execution (Scene 15) lead to Burns' investigation revealing her pregnancy (Scene 16). Culminates in Ernest's murder plot against Bill/Reta and the cemetery explosion (Scene 17), exposing deeper conspiracies.

Blackie betrays Ernest by stealing his car (Scene 18), leading to Hale's violent punishment and exposure of the insurance scam (Scene 19). Ends with Ernest humiliated and newsreel of Tulsa Massacre.

Henry Roan's mental unraveling culminates in a violent butcher-shop attack and bank meltdown. Hale and Ernest intervene, taking Henry to Hale's ranch where Hale reveals Henry was Mollie's first husband—shattering Ernest. Parallel scenes show Mollie resisting medical treatment, highlighting growing mistrust in her marriage.

Henry's melancholic examination (Scene 20) escalates to his violent outburst at the butcher shop and bank (Scene 22). Hale reveals Henry is Mollie's first husband, fracturing Ernest's trust.

Lizzie dies surrounded by family and receives a traditional burial, juxtaposed with Hale's Masonic ritual. Mollie prays for lost loved ones while Hale recruits hitmen for a new plot. Mollie reveals her investigator disappeared, Ernest steals from him, and she announces her pregnancy—culminating in Barney McBride's murder, crushing the justice initiative.

Lizzie dies surrounded by family, followed by a traditional Osage burial contrasted with Hale's Masonic ceremony. Highlights generational loss and cultural duality.

Hale and Ernest arrange a hit with Henry Grammer (Scene 24). Mollie's investigator vanishes, Ernest steals from him, Mollie announces pregnancy, and Barney McBride is killed (Scene 25), signaling expanding violence.

Ernest arranges Henry Roan's murder with John Ramsey (Scene 26), which is executed in a speakeasy (Scene 27). When Mollie suspects foul play, Hale pressures Ernest to clean up loose ends by threatening Roy Bunch, creating an alternative suspect (Scene 28).

Hale and Ernest plot Henry Roan's murder over his claim to Mollie's headrights. Ramsey assassinates Roan under false pretenses. When Mollie suspects foul play, Hale and Ernest redirect blame onto Roy Bunch by threatening him publicly, framing him as the killer.

After tension builds between Ernest and Bill Smith (Scene 29), Hale orders the bombing via Acie Kirby. Ernest recruits Ramsey to relay orders (Scene 30). The bombing succeeds, killing Reta and Bill, prompting Mollie to seek federal help after local denial (Scene 31).

Reta warns Mollie about mounting danger while Hale orchestrates the Smiths' assassination. Ernest recruits Ramsey to relay orders for the bombing, which destroys their home. When Mollie petitions Washington after the attack, her request is denied, forcing the Osage delegation to appeal directly to President Coolidge.

Hale forces Ernest to administer insulin to Mollie (Scene 32), continuing despite her hallucinations (Scene 33). When Tom White arrives, Hale assaults Ernest for revealing the FBI's presence during a town gathering (Scene 34).

Hale pressures Ernest to administer insulin to Mollie under medical guise. Ernest reluctantly complies as Mollie weakens, hallucinating and isolating herself. When FBI agent Tom White arrives, Ernest delays his access, ensuring Mollie remains silenced.

Hale disputes insurance claims (Scene 35) while the FBI questions the Shouns. He then frames Blackie Thompson via a staged robbery (Scene 36) and orders Acie Kirby's death during another setup (Scene 37), all while coercing Ernest into signing headright documents.

Hale assaults Ernest for engaging with the FBI and manufactures distractions: orchestrating Blackie's arrest and Acie Kirby's death during a staged robbery. As agents pursue leads, Hale pressures Ernest to secure headrights, burning evidence at his ranch.

Alvin Reynolds implicates Byron Burkhart in Anna Brown's murder, leading to Kelsie Morrison's arrest. Ernest injects Mollie amid hallucinations before being arrested himself for the Smith and Brown murders, marking the FBI's major breakthrough.

The FBI gathers testimony implicating Byron and Kelsie (Scene 38), arrests Ernest (Scene 39), and pressures him through interrogations (Scene 40). Ernest then implicates Ramsey and Hale, leading to Hale's surrender after Mollie is rescued (Scene 41).

Hale faces media scrutiny (Scene 42), while witnesses are protected (Scene 43). Ernest wavers during courtroom chaos (Scene 44) and refuses to testify after reconciling with Mollie (Scene 45). He ultimately chooses loyalty to Hale, leading to his re-arrest amid Kelsie's confession (Scene 46).

Agents interrogate Ernest about Roan's murder while Hale visits a dying Mollie. Ramsey is arrested and implicated by Ernest. As Hale surrenders, Ernest is moved to protective custody. In court, Hale's lawyer forces a delay, temporarily thwarting testimony.

Flashbacks reveal Anna's murder as Ernest learns of his child's death (Scene 47). Hale then pressures Ernest in jail to maintain loyalty, unaware the FBI is listening (Scene 48).

Ernest and Mollie reconcile, but he refuses to testify against Hale. After Kelsie confesses in court, Ernest learns of his child's death. Agents record Ernest's jailhouse confrontation with Hale, where Hale implores loyalty, cementing Ernest's refusal to cooperate.

Ernest testifies that he acted alone under Hale's orders to kill Henry Roan and target Reta and Bill Smith. When questioned about Mollie's deceased family members, he denies marrying her for oil money and insists he genuinely loved her. The testimony exposes Hale's orchestration of the murders but reveals Ernest's denial of his own financial motives.

Ernest takes the stand and implicates William Hale in orchestrating Henry Roan's murder and the bombing targeting Reta and Bill Smith. Under prosecutor questioning, he denies marrying Mollie for oil money while admitting his direct role in the crimes. The testimony exposes Hale's conspiracy but reveals Ernest's lingering denial about his motives toward Mollie.

Mollie confronts Ernest in a courthouse antechamber, questioning his honesty and motives. She specifically asks about the 'medicine' he gave her, leading to his admission that it was insulin—confirming his deliberate poisoning. Emotionally devastated, Mollie walks out, symbolically ending their relationship. The scene transitions to a future radio broadcast, concluding the murder case.

Mollie confronts Ernest in a courthouse antechamber, questioning his loyalty and the 'medicine' he administered. Ernest admits it was insulin, confirming he poisoned her. Mollie silently walks out, severing their bond. The scene transitions to a future radio broadcast, closing the Osage murders narrative.