One of the sons of late Dr. Henry Frankenstein finds his father's ghoulish creation in a coma and revives him, only to find out the monster is controlled by Ygor who is bent on revenge.

In 1932, a cop is killed and Frank Wiecek sentenced to life. Eleven years later, a newspaper ad by Frank's mother leads Chicago reporter P.J. O'Neal to look into the case. For some time, O'Neal continues to believe Frank guilty. But when he starts to change his mind, he meets increased resistance from authorities unwilling to be proved wrong.

Charlie Chan is sought out by Pamela Gray, a desperate young socialite whose brother Paul awaits execution for the murder of a weapons inventor. Pamela is convinced of his innocence.

Charlie's visit to Paris, ostensibly a vacation, is really a mission to investigate a bond-forgery racket. But his agent, apache dancer Nardi is killed before she can tell him much. The case, complicated by a false murder accusation for banker's daughter Yvette, climaxes with a strange journey through the Paris sewers.

Socialite Pat Reynolds (Ida Lupino) is forced to become the "smart girl" of the title when her wealthy father commits suicide, leaving nothing but a pile of debts. Pat sets up a successful hat-designing business, providing the sole support for herself and her sister Kay (Gail Patrick). So devoted is Pat to Kay's welfare that she stands by in stoic silence as Kay begins romancing Pat's sweetie Nick Graham (Kent Taylor).

Gil Kyle finds himself caught up in the politics and unrest of the American Civil War and soon gets himself framed for a murder. His only alibi is Candace Bronson, who is aiding the Confederate cause and has left the territory to deliver a vital message about a Yankee gold shipment. So he sets off in pursuit, running into desperados, government agents, and guerrilla fighters, who are more interested in profit than ideals. Written by Alfred Jingle

Texas, 1878: cheerful outlaw-buddies Jim, Lorn and Wahoo rescue spunky orphan Rannie Carter from rustling racketeers, then are forced to separate. Lorn goes on to bigger and better robberies, while Jim and Wahoo are (at first reluctantly) maneuvered into joining the Texas Rangers. For friendship's sake, the three try to keep out of direct conflict, but a showdown begins to look inevitable. And Rannie, now grown into lovely young womanhood, must choose between Lorn and Jim

The Cattlemen's Association has called in the Mesquiteers to find cattle rustlers. They get Tex Riley to pose as Stony so Stony can arrive posing as a wanted outlaw. This gets Stony into the gang of rustlers and he alerts Tucson and Lullaby as to the next raid. But Hartley is on hand and unknown to anyone is the rustler's boss and he joins the posse with a plan that will do away with the Mesquiteers.

In order to be able to buy a gas station, a young couple run a speakeasy. Complications arise when the husband loses their money to bookies.

Smith is an iron-willed railroad detective. When his friend Murray is fired from the railroad and begins helping Rebstock wreck trains, Smith must go after him. He also seems to have an interest in Murray's wife (and vice versa).