The Bottom of the Bottle

P.M. didn't defend Donald five years ago when he was convicted for killing a man in a barroom brawl. The killing was ruled self-defense, but P.M. chose not to represent him, resulting in Donald's conviction. This failure to help his own brother is the source of P.M.'s guilt and his current willingness to risk everything to help Donald escape to Mexico.

P.M. introduces Donald as Eric Bell because he fears his wife Nora and his Cadillac Cowboy social circle would discover his dark family secret. As a respected attorney and rancher, P.M. has built a reputation among the Southwest's ranching elite, and having an escaped convict for a brother would destroy that carefully constructed image. He also keeps Donald away from alcohol, knowing his brother's former alcoholism could expose the truth.

Donald becomes violent when P.M. refuses to use his contacts on the Mexico side of Nogales to help his destitute family. After receiving a phone call confirming his family has moved from dire straits to complete destitution, Donald punches his brother, grabs two bottles of whiskey, and flees into the rain. The combination of desperation to reach his family and frustration at P.M.'s refusal triggers his outburst.

Nora discovers Donald's true identity as P.M.'s escaped convict brother and persuades her husband to help Donald's family. Her change of heart stems from compassion for the family's plight and possibly from realizing the moral weight of P.M.'s past failure to defend his brother. This moment tests their marriage and forces P.M. to choose between maintaining his facade or doing what's right.

During the river crossing attempt, P.M. falls from his horse and nearly drowns in the flooded Santa Cruz River. Donald immediately jumps in and rescues his brother, demonstrating that despite their years apart and P.M.'s betrayal, the fraternal bond remains strong. After saving P.M.'s life, Donald chooses to surrender to the authorities, accepting responsibility for his actions rather than continuing to flee. This act of sacrifice becomes his redemption.

Earlier, P.M. failed to defend Donald in court; now Donald risks everything to save P.M., reversing their dynamic.

After Donald leaves P.M.'s house grabbing bottles of whiskey, a report reaches Hal Breckinridge that Donald has committed a theft. This alleged crime, combined with his status as an escaped convict, prompts Breckinridge to form a posse to track Donald down. The theft report accelerates the urgency of the situation, forcing P.M. to make a final decision about helping his brother.

P.M. struggles with conflicting emotions throughout the film. Although he feels guilty for not defending Donald five years ago, he remains reluctant to help a felon because doing so would risk his career, his marriage, and his social standing among the ranching elite. His reluctance represents the central moral conflict: familial duty versus self-preservation. Only when Nora persuades him and the stakes become life-or-death does he agree to help.

When Donald explains his plan to cross into Mexico-side Nogales where his family waits, P.M. reveals the Santa Cruz River is flooded due to recent rains. The flooding makes crossing dangerous and potentially impossible for days. This obstacle creates the central time pressure of the film, Donald needs to reach his destitute family quickly, but the flooded river prevents an immediate escape.

Donald arrives at P.M.'s garage in Nogales, Arizona, having escaped from prison after five years. He pleads with his brother, the wealthy attorney Patrick Martin, to help smuggle him across the border into Mexico where his wife and children live in dire straits. P.M. is thrust into a dilemma, help his escaped convict brother and risk everything, or refuse and continue abandoning his family as he did five years before.

The film opens with this reunion, establishing the central conflict that will drive the entire narrative.

The story ends bittersweetly: Donald successfully rescues P.M. from drowning in the flooded Santa Cruz River, proving the strength of their fraternal bond despite years of separation and P.M.'s betrayal. After saving his brother's life, Donald voluntarily surrenders to the authorities rather than continuing to flee. P.M. must now live with the consequences of his protection and deception, having helped Donald but ultimately losing him to the law. The brothers achieve reconciliation through Donald's sacrifice.