A lifelong, unconventional romantic arrangement between three individuals in West Texas faces the inevitable pressures of time, aging, and a shifting cultural landscape. Spanning sixty years, the narrative follows Gideon Fry, a dedicated rancher, and Johnny McCloud, a restless cowhand, as they both maintain a long-term connection with Molly Taylor. Molly serves as the emotional anchor for both men, bearing a son by each of them while navigating the social expectations of the American West. The story utilizes alternating perspectives to examine how these three characters reconcile their personal desires with the demands of their environment. The narrative framework relies on the passage of time to reveal how their secrets and grief evolve as the frontier era fades.

Readers frequently highlight the understated emotional depth McMurtry achieves through his focus on the daily lives of his characters. Discussion often centers on the unconventional nature of the central trio's relationship and how it defies traditional romantic tropes. Critics often praise the author's ability to capture the specific atmosphere of the changing American West without relying on excessive sentimentality. The pacing is noted for being deliberate, mirroring the slow, steady rhythm of the ranching lifestyle depicted in the text. Many readers find the balance between the characters' internal development and the external pressures of their environment to be the most compelling aspect of the work.