In 1876, two orphans, Holly and Jason, travel across the Rocky Mountains to claim their inheritance at the end of the Oregon Trail. They run into Zachariah Coop, a gambler on the run from a group of angry men. Coop tries to join the two kids, but at first they don't know whether to trust him. The trio shows unyielding courage in the face of hardship, adventure and danger as they travel across the Great Divide to reach their dream.