In the dusty landscape of 1930s Texas, we meet Eugene Evans, a young boy living in a small town plagued by drought and frequent dust storms. Eugene's life is complicated; at just five years old, his father deserted the family, thrusting him and his younger sister Phoebe into a difficult existence. Despite the challenges, Eugene often escapes reality with his friend Joseph, engaging in mischief and thievery, such as stealing dime novels that ignite his imagination and dreams of adventure.
Eugene's life takes a dramatic turn when his mother remarries George Evans, a lawman who becomes a father figure to him and Phoebe. Despite George's efforts, Eugene feels the weight of responsibility and struggles with the emotional void left by his father's abandonment. During a town meeting, the sheriff displays a wanted poster for the notorious Allison Wells, a fugitive wanted for bank robbery and murder, with a bounty of $10,000 on her head. Fascinated and eager to break free from his mundane life, Eugene, alongside Joseph, decides to embark on a quest to find Allison.
Soon, George encourages Eugene to be responsible, but the yearning for adventure draws him back to the barn where he encounters Allison, her wounds bandaged and a revolver directed at him. Recognizing her from the wanted poster, Eugene strikes a deal with Allison: he will tend to her injuries if she shares her story. Through their conversations, Allison recounts a traumatic incident during a bank heist where police recklessly fired at an innocent crowd, resulting in the death of a young girl. This shocking revelation shapes Eugene's perception of her, but not before Allison offers him $20,000 to assist her escape to Mexico.
As the plot thickens, Eugene’s sister Phoebe witnesses his secretive behavior and, curious about his newfound acquaintance, approaches him. He diverts her attention by claiming to see dead dogs, but her curiosity leads her to the barn, where she discovers the unsettling reality. Meanwhile, Eugene’s intentions become clear to Joseph, but he is met with skepticism when he suggests selling Joseph’s family car for Allison's reward. Despite the opposition, Eugene and Allison grow closer, and through a covert swim in a nearby waterhole, their bond deepens, culminating in a summer fling.
The revelation of unsavory truths soon comes to light at a town dance, where Eugene overhears George discussing incriminating evidence against Allison. In a moment of desperation, Eugene breaks into the evidence room and uncovers photographs that unravel Allison's tale—she had omitted the fact that her accomplice, Perry, tragically killed innocents during their crime spree. Confronted by these lies, Eugene grapples with a sense of betrayal.
Meanwhile, George uncovers telltale evidence connecting Allison to their home, leading to his dismissal from the sheriff’s office. The tension escalates as George and Eugene face drastic choices that will alter their lives forever. In a recklessly romantic endeavor, Eugene and Allison leave town, setting off on a journey to find Eugene's father who now resides in Mexico. Their relationship blooms, even igniting a passionate encounter at a motel.
However, their pursuit for freedom leads to a harrowing decision: to rob a bank in search of needed funds. While Eugene holds hostages, Allison retrieves money from the tellers until a hostage attempts to retaliate. In a frantic moment, Eugene's instinct to protect results in death, fueling the chaos of their escape. Torn between loyalty to his family and love for Allison, Eugene faces a pivotal moment of self-discovery in the woods—a painful confession shared between him and Allison.
The relentless pursuit by George culminates in a tragic confrontation where George wounds Allison fatally. In these heart-stopping moments, Eugene's clash with familial loyalty forces him into a pivotal choice, resulting in a desperate escape plan which ultimately costs them their future. As Phoebe, reflecting on the tumultuous tale, concludes that the family never saw Eugene again, we witness the complexity of family dynamics, betrayal, and the choices that tear at the fabric of loved ones. In this poignant story of loss and yearning, Eugene's journey serves as a powerful reminder of the choices that shape our lives and the lives of those who care for us.