Orphaned Katie Rose, nearing the end of her journey to Oregon County where she hopes to be taken in by her uncle and cousins, begins to wonder what life will be like for her, and for her beloved Mustang, which she plans to give its freedom.

Joined by Hiram, the farmhand, Katie begins the journey west. But then tragedy strikes, and Katie finds herself having to choose between parting ways with Hiram, or abandoning her dreams of going west.

Captured by members of another Irish clan, Lara continues to protect the young filly, Dannsair, and ponders how they might escape together.

In the Colorado Territory in 1875, orphan Margret and her older sister Libby are staying with the kind-hearted Mrs. Fredrickson when Margret finds an injured horse which she nurses back to health and wants to keep, while Libby is too mistrustful of people to think that they might possibly have found a home.

Emily Murphy isn't afraid to swap her fancy wardrobe for a borrowed pair of barn boots. Working on the set of a Kentucky movie might be just the ticket to landing a real acting job and proving to her sister she can accomplish something worthwhile. Dan Barrett knows a lot about hard work and even more about horses. And while he's drawn by Emily's beauty and pluck, he wants a stay-at-home ranch girl. But fighting their attraction is difficult, and soon...