Sach just lost his job as an assistant to a private detective, but he wasn't paid. Slip goes with him down to the detective's office to demand payment, but finds the office empty. A woman enters the office and mistakes Slip for the detective and convinces him to take on a case to find her sister after offering a $50 retainer.

Slip and the gang stray from newspaper work to detective work.

Late one night, secretary Paula Young (Ann Harding) leaves the office of her boss, Stanley Whittaker (Douglas Dumbrille, locking the door and taking the stairs to avoid being seen by the elevator operator (Frank Jenks). The next morning, the cleaning lady finds Whittaker's dead body, an apparent suicide. Police Lieutenant Poole (Moroni Olsen) finds a letter signed by Whittaker in which the deceased states he embezzled $75,000. Soon, however, he suspects otherwise and, after investigating, arrests widower James "Jim" Trent (Walter Abel), the vice president of Whittaker.

In ridding the area of muggers, the East Side Boys acquire a wealthy benefactor whose privileged son, unbeknownst to him, has fallen in with thugs.

An Ohio bank clerk's life becomes a nightmare when his descriptions is a fit of a maniac killer.

The Bowery Boys--Slip, Sach, Bobby, Whitey & Chuck--start their own exterminating service, and get a job which takes them to a spooky old abandoned mansion in the middle of the night. Meeting up with pal Gabe and his new French bride, the boys are tormented by mad scientists who try to convince them the place is haunted and then kidnap Sach in order to place his brain inside a gorilla.

The Office of Scientific Investigations tracks down the source of increased magnetism and radioactivity in Los Angeles, and discovers that a man-made isotope is consuming available energy from nearby mass every few hours, doubling its size in the process. Although microscopic, it will soon become big enough to destroy Earth; and how to stop it is yet to be determined. The film's Deltatron special effects footage is taken from the 1934 German sci-fi film GOLD.

A Louisiana con man enters his steamboat into a winner-take-all race with a rival while trying to find a witness to free his nephew, about to be hanged for murder.

Katharine Hilliard, mousy dean of a stuffy music school, meets and is insulted by swing band leader Barry Clayton on a train. To "show" him she takes a friend's advice, removes her glasses, and puts on a designer gown. Naturally, she becomes gorgeous. Soon, both Barry and crooner Jimmy Hale are after her, and she finds herself in the midst of triangles and misunderstandings.

A psychiatrist's patient, a nutty heiress, travels west to find gold in her grandfather's abandoned mine. The psychiatrist, unable to talk her out of it, decides to follow her out there.

A novice con man teams up with an acknowledged master to avenge the murder of a mutual friend by pulling off the ultimate big con and swindling a fortune from a big-time mobster.