In this above-average western, a villainous land grabber attempts to force horse ranchers to sell their ranches so he can become king of the horse market. One stubborn rancher refuses to relent and his killed. His two surviving sisters then continue the fight. They are soon assisted by a passing drifter who ends up falling for one of them. In the end a gunfight between the good and bad guys ensues.
Hank Wilson is a driver for a truck for a big transportation company which is in financial straits. He is in love with Doris Lacy, a waitress at the truck-stop where the company has its truck fleet serviced. Frequent accidents near the place leads the company to hire a private detective to investigate, and when the detective is murdered Hank is arrested as a suspect. The insurance company that covers the fleet has him released and he is sent back to work with instructions to investigate the accidents on his own. The trail leads to the uncle of Doris, and one of the part-owners of the company.
Little Larry Havens, whose father died in WWII, runs away from home to keep from being separated from "Shep," his father's dog. In Arizona, he is befriended by a kindly Mexican, Manuel Ortiz, who he is able to repay in time, with the aid of Sheriff "Cap" Weatherby, when Ortiz is suspected of crimes committed by local gangsters. "Shep" is instrumental in saving Ortiz from a lynching, and Larry, "Shep" and Ortiz all find a home with a couple they have befriended.
Susan Hart, assistant to private detective Russ Ashton, is given a camera concealed in a hat box and assigned to take a picture of a woman. A gun is accidentally hidden in the box and the woman is killed. Susan is charged with murder, but Russ and his less-than-useful associate, Harvard, get on the case and prove that the fatal shot was fired by the killer from across the street.
The baby sitter is none other than veteran Hollywood tough guy Tom Neal. A private detective, Neal is hired to keep an eye on the child of married couple George Meeker and Rebel Randall. Actually, Meeker and Randall are jewel thieves, and their "baby" is their stolen loot. Neal eventually catches on when he realizes that this is the quietest child on earth. Running a scant 41 minutes, Case of the Baby Sitter was designed to be shown in tandem with another Screen Guild Productions "briefie," The Hat Box Mystery: the films were shot back to back, with Tom Neal and Pamela Blake starring in both.
A cowboy must clear himself of a murder he did not commit.
