⁣When a bank president is murdered, the townspeople accuse the man's future son-in-law of the crime and a lynching party is formed. Cisco and Pancho must find out who the real killers are before the mob hangs the innocent man.

⁣Dr. Baxter is captured by a gang of outlaws who need him to patch up a wound. .

⁣When a colorful frontier woman is murdered, Dr. Baxter introducing the fingerprint technique, sets out to find the murderer.

⁣While sick Apaches are being treated for a fatal illness, one murders a U.S Cavalry colonel. .

⁣Fur theives are looting the traps on the ranch where Roy is foreman and they have murdered one of Roy's friends. To complicate matters, the ranch owner, unknown to Roy, arrives with her girlfriend posing as a member of the lonely hearts club. Roy gets a tip on the outlaws but it's a trap and Roy and the boys soon find themselves in jail with the townspeople and trappers on the way to Lynch them.