Ryder

The fifth and final installment of the Lucky River Ranch series is set in a tight-knit ranching community in Hart County, Texas, and follows the romance between Ryder Rivers, who has an identical twin, Duke, and three older brothers, and Billie Wallace, the only girl among five brothers whose ranch neighbors the Rivers property.

A prologue set 14 years earlier establishes their bond. 10-year-old Billie, plagued by nightmares of being trapped in a shrinking room, sneaks into the horse barn for comfort and encounters 13-year-old Ryder, who is carrying his guitar and cannot sleep because Billie's oldest brother, Colt, his best friend, is snoring after drinking their father's whiskey. Billie confides that she feels constrained by rules applied only to her as the family's sole girl: Her brothers ride out with cowboys while she stays indoors helping her father with office work. Ryder listens without judgment and reveals he underwent animal therapy as a child for a speech delay. When Billie hums her favorite Taylor Swift song, Ryder picks up the melody by ear, and they share a deep connection. Billie realizes she has feelings for Ryder but is too afraid to voice them, a dynamic that will define their relationship for years.

In the present day, Ryder, now 27, attends the Hart County Rodeo where Billie, 24, competes in her first barrel race. Ryder acknowledges his attraction but resolves to keep her at arm's length. He shut off his emotions after his parents, Robbie and Anne Rivers, died in a pedestrian accident when he was 14 and has since limited himself to casual hookups. All four of his brothers have recently found partners, and the family has merged their ranch with the property of their late mentor's daughter, Mollie Luck, to form Lucky River Ranch. When Billie clips the third barrel and is thrown from her horse, Ryder leaps the railing and performs CPR before medics arrive. Billie regains consciousness with his lips on hers and notices the raw emotion in his eyes. She insists he accompany her in the ambulance.

At the hospital, Billie learns she needs surgery for a badly broken elbow. Terrified of needles, she panics, so Ryder invents a humming game in which he hums songs and she guesses them. The distraction works so well that the nurse inserts the IV unnoticed. He kisses her knuckles before surgery, but when her family arrives, he steps back, feeling guilty. Watching the Wallaces embrace triggers his grief over losing his own parents, and he abruptly leaves.

Three weeks later, Billie returns to her bookkeeping job at the Wallace Ranch office alongside her father, Dale Wallace. Dale steered her into accounting years ago, believing it a practical career for a woman, and Billie has held the position for over three years but feels stifled. The loss of barrel racing as an outlet deepens her frustration. She drives to Lucky River Ranch and finds Ryder mowing hay alone after hours. In the tractor cab, where the single seat forces her onto his lap, she confides that she hates her job and feels suffocated by her family's expectations. Ryder tells her she needs to thrive rather than survive. When she asks whether he ever thinks about playing guitar again, he deflects.

On the anniversary of his parents' death, Ryder's twin Duke confronts him after a family supper, warning that their mother would be disappointed to see him numbing himself with alcohol while watching everyone else live. That night, Ryder retrieves his childhood guitar from a storage shed and plays Brooks & Dunn songs under a full moon, crying for the first time since his parents' funeral. The experience is painful but cathartic.

Ryder invites Billie to help with a preschool visit at the ranch, and she takes a sick day to spend the morning with children and baby animals. Ryder reveals he played guitar the previous night and credits her honesty for pushing him. He surprises her with custom Bellamy Brooks cowboy boots, then drives her to the brand's studio, where Mollie, Wheeler (Duke's pregnant girlfriend), Sally (Wyatt's partner), and Ava (Sawyer's girlfriend) welcome her. Billie opens up about her feelings for Ryder, and the women encourage her to pursue him. The afternoon is a turning point: Billie has longed for female friendships her entire life, and these women become her confidantes.

Days later, Billie and Ryder share a bonfire picnic where he plays "Landslide" by Fleetwood Mac, his mother's favorite song, tears falling as he plays. When Billie asks whether they might be more than friends, Ryder panics about the consequences and tells her their friendship is too special to risk. Stung, Billie invites Xander, a bull rider she has been casually seeing, to the Rattler, the local honky-tonk. Ryder shows up and spends hours glaring from across the room. Later that night, he finds Billie at a field party trying to leave on her own and admits he cannot stay away. They have sex for the first time in his truck, and Billie asks him not to tell Colt. Ryder half-jokingly makes her promise not to fall in love with him.

At the next Sunday dinner, Ryder surprises everyone by openly discussing his parents for the first time since their death. Duke deduces that Ryder is sleeping with Billie and urges him to tell Colt. Meanwhile, Billie confides in her youngest brother, Tate, who insists the secrecy must end. After days apart, Ryder finds Billie riding in a rainstorm and shares the idea he has been researching: an animal therapy program on the Wallace Ranch inspired by his own childhood experience. Billie suggests naming the program after Ryder's parents, and he is deeply moved. Back at his farmhouse, Ryder declares plainly that she is his girlfriend. Billie develops a business plan with help from friends and family, but Colt remains absent and unresponsive.

After a baby shower, Billie and Ryder reveal their relationship to Colt. He is more hurt than angry, connecting their secrecy to his deceased wife Abby's infidelity, the deepest wound of his life. He walks away, but at a subsequent family dinner, he quietly raises his glass during a toast, a small gesture hinting at a thaw. Billie then pitches her therapy program to her parents, who are initially skeptical. Ryder arrives, passionately advocates for the program, and reveals he has recently started therapy himself. Dale and Billie's mother, Paige, express genuine interest.

Weeks later, Colt apologizes to Billie, confessing that loneliness and jealousy drove his reaction. He reveals he is also in therapy and has learned that jealousy points toward what a person wants rather than serving as a reason for resentment. To break the ice with Ryder, Colt shows up at Duke's house pretending to be confrontational before dropping the act and delivering a heartfelt apology. Ryder embraces his best friend, and their brotherhood is restored. The Wallace and Rivers families gather for a combined dinner at the New House, the families' newly built gathering space. Ryder plays guitar, performing songs tailored to each couple and closing with Taylor Swift for himself and Billie. The evening marks the full merging of the two families.

In the epilogue, Billie returns to barrel racing and finishes in the top three. Ryder proposes at the Rattler with a paper ring looped around his father's pocketknife, a reference to Taylor Swift's "Paper Rings." They visit the barn that will become the Anne and Robbie Rivers Therapy and Rehabilitation Center and overhear Colt and Lainey Brown, the branding consultant Dale hired, together in the loft, hinting at a future romance. A bonus epilogue finds the couple honeymooning in Mexico. Ryder tells Billie never to change, and she makes him promise never to try to change her.