The parents of John Tobin (John Wayne) have been murdered, and he wants justice. He sets out to find the killer, the evil gang leader Pandro Zanti (Earl Dwire), who hides from the law with disguises and almost kills old prospector Dusty (George Hayes) and his granddaughter. John rescues them and catches Zanti, only to face criminal charges from lawman Sheriff Williams (Jack Rockwell). Zanti is let go, and John must clear his name and establish who the real criminal is.