Left with little back in Missouri, Kevin Hunt takes his younger siblings on a journey to Wyoming when he receives news that he's inheriting part of a ranch. The catch is that the ranch is also being given to a half brother he never knew existed. Turns out, Kevin's supposedly dead father led a secret and scandalous life. But danger seems to track Kevin along the way, and he wonders if his half brother, Wyatt, is behind the attacks. Finally arriving at the ranch, everyone is at each other's throats, and the only one willing to stand in between is Winona Hawkins, a nearby schoolmarm.

In 1875 California, Brody MacKenzie arrives at the Two Harts Ranch on a mission to find his runaway brothers, worried they may have fallen into harm. Instead, he discovers them thriving at the ranch's school and orphanage under the care of Ellie Hart, a woman with a heart as resilient as the land she calls home. His options limited, Brody reluctantly takes on the role of ranch doctor, and he forms an unexpected bond with Ellie, who's kept a steady eye on Brody's two rapscallion brothers.

Rafe Kincaid controls everything in his life... until he meets Julia. Julia Gilliland has always been interested in the natural world around her. She particularly enjoys studying the fossils and formations in the magnificent cave near her father’s house. The cave seems plenty safe—until the day a mysterious intruder steals the rope she uses to climb out. Rafe Kincaid is a man used to being in control—of himself, his brothers, and his family’s ranch.

Josephine Nordegren is one of three sisters who grew up nearly wild in southwestern Colorado. She has the archery skills of Robin Hood and the curiosity of the Little Mermaid, fascinated by but locked away from the forbidden outside world - a world she's been raised to believe killed her parents. When David Warden, a rancher, brings in a herd much too close to the girls' secret home, her older sister especially is frightened, but Jo is too interested to stay away.

Upon uncovering her tyrannical father’s malevolent plot to commit her to an asylum, Beth Rutledge fabricates a plan of her own. She will rescue her mother, who had already been sent to the asylum, and escape together on a wagon train heading west. Posing as sisters, Beth and her mother travel with the pioneers in hopes of making it to Idaho before the others start asking too many questions.