When Grandpa Brown prepared to make his second trip across the plains to California, he looked with doubts at the results of Jess Winchester's efforts to assemble a wagon train that would get there without mishap. And Grandpa Brown had a reason. For not only had he financed the venture, but also his niece, Laura, was Jess' bride - and Grandpa Brown loved that niece of his more than he loved the money he'd let Jess have!