Following the death of his friend Ed Norton who was killed during a dice game, Gene Autry sets out in search of the killer. His search takes him to an old house where Larry Evans, who was accused of the murder, is in hiding. Larry's sister Mary defends her brother, claiming they both loved Ed, who acted as their guardian after the death of their father. Mary is able to convince Gene that Larry is innocent. Gene offers to help him evade the sheriff until he can discover the real killer.