Josefina’s family is in Santa Fe to make a trade that will affect the future of their ranhco. An American wagon train will arrive any day, and Josefina can’t wait to get her first look  at American traders and the things they see. Before the wagon train arrives, Josefina meets a scout named Patrick. Though his Amercnan manners seem strange to her, she can't help liking him. When Papa trusts Patrick with the family's trade, Josefina decides to trust him with a trade of her own. But Patrick leaves town without paying Papa or Josefina! It seems he’s betrayed them-until, late one night, Josefina makes a surprise discover.