The Black Terror [Bob Benton]; Tim [Tim Roland]; Jear Starr; Dr. Stephen Hardwick (a bacteriologist); Monahan (Policeman); "Brains" Smiler (villain, death); Smiler's mob (villains)
Bob, Tim and Jean are having a picnic when they hear a noice and investigate, finding a broken window in a shack laboratory and a man shot inside. The man, a Doctor Hardwick, has been studying a rare and mysterious disease for years, called Lata, which paralyzes a portion of the brain so that the victim imitates everything said or done by another. Now the reseach has been stolen!
The Black Terror [Bob Benton]; Tim [Tim Roland]; Jean Starr (mention only); un-named old woman; woman's son; Armando (villain); other criminals (villains)
Bob and Tim are in the process of delivering a prescription to an address when they hear screams from the house. Inside is an old woman who says she is hearing voices, telling her to surrender a package mailed to the house from her supposedly dead son.
Douglas Allen; Police Lieutenant Garry McMann; The Ghost [Dutch Galvin] (villain, a kidnapper)
Douglas worked at his father's company that helped make new types of games and created various types of puzzles, and he was working late one night on a puzzle idea of his own when a knock at the door allowed a kidnapper to enter. But his quick thinking allowed his Pliceman friend of his to eventually locate and save the lad.
The Black Terror [Bob Benton]; Tim [Tim Roland]; Killer Hearn (villain); Hearn's gang [Butch; others un-named] (villains)
On their way to General Hospital to deliver some medicine, Bob and Tim hear about the escape of Killer Hearn from prison, and come face-to-face with Kearn, who, with his gang, rob the institution of a million dollars in radium.
Tom Carson (trail boss); Danny Small; Jack Adams (a wrangler); Matt (the cook); cattle rustlers (villains)
Danny is hired on as a hand for the Diamond A as six waddies were driving some cattle, and he was said to bring the outfit luck. They needed it, because, up ahead in the mountainous country, were cattle rustlers were just waiting for them!
The Crime Crushers [Steve Barry; Ploopie Carr]; Astrophel (a horse); J. V. Williams (owner of Astrophel); Jane Williams) (William's daughter); George; band of gamblers (villains)
Ploopie is driving Steve nuts making animal imitations while his partner tries to read. When Steve remarks one imitation was right on the money, they discover the sound was made by a real horse....a race horse that some bettors are trying to put out of commission so that the nag they've bet on, Zombie wins instead.