When Sergeant Preston arrived in a small community, he usually called upon two or three friends to hear the latest local news. In Horse River, he stopped to speak to the Constable, Laith Avery. Jim Bixby has been trapping up in the canyon since the freeze up, but word has it that he is headed to Horse River with enough sables to set him up for life. Sergeant Preston is worried about how many people know that little piece of information, and fears for Jim's life...