Joined by Hiram the farmhand, Katie begins the journey west. At first, she is unsure if the Mustang will follow, but much to her relief, he seems to trust her. Soon, Katie and Hiram meet up with a large family who invite them to join their caravan. For the first time, it seems as though they might really make it to Oregon. But then tragedy strikes, and Katie finds herself having to choose between parting ways with Hiram, or abandoning her dreams of...

Katie continues the journey west in the company of a traveling circus troupe.

When her horse is given to a baron in the castle town of Athenry, nine-year-old Lara goes along.

After returning home with her horse from Connemara, Lara no feels that her old life has anything to offer, so she tries to find another place for herself and her horse which is safe from the warring clans.