Two chemists working at the same laboratory compete over the heart of the daughter of the laboratory owner. When the girl chooses one, the other gets jealous and ploys a scheme that aggravates and leads to a great explosion and an even greater tragedy.
Joaquin Monegro feels a huge hatred for Abel Sánchez, who was once his best friend. Over the years, Monegro marries without love, and tries to have his children marry, but not forgetting Abel so far.
The third of the Monogram series based on Ham Fisher's "Joe Palooka" comic strip, opens with Knobby Walsh, the manager of Joe Palooka trying to talk his way out of a traffic citation, and the story leading to that point is told in flashback as narrated by Walsh.
Convicted killer Jim Holden is rescued from the sheriff by his gang, led by Mason and Riley. He is out to get the Hathaway Stage superintendent George Bannister, who was responsible for his conviction and learns the Bannister, his niece (Kay) and Hal Hathaway, son of the stage line owner, are on a cross-country stage.
A virtuous Spanish princess becomes queen of Portugal, and soon is affected by the social struggles and the reckless fight to power between the king's faction and that of his son's.
Kris Kringle, seemingly the embodiment of Santa Claus, is asked to portray the jolly old fellow at Macy's following his performance in the Thanksgiving Day parade.
Slip and Sach are working for a local newspaper as a reporter and photographer, respectively. Slip wants to get the goods on a local gambling ring that is fixing sporting events, so he and Sach go undercover to expose the ring.
A hated country gentleman is murdered, and the inspector on the case takes the veiwer through his thoughts about the possible murderer and motives as he questions everyone concerned.