Rustlers' Valley - One of Hoppy's best friends is the main suspect in a bank robbery and, despite his innocence, is hunted down by a sheriff's posse. Determined to find the true perpetrator of the crime, Hoppy deals with some tough hombres in Rustlers' Valley to clear an innocent man's name and expose the villains. "Texas Trail" - The U.S. Army calls upon Hoppy to collect badly-needed cavalry horses, though a crooked ranch owner and his gang have thwarted previous attempts. In a diabolical set-up, Hoppy is arrested for stealing the rancher's herd, yet manages to devise a plan to stampede the horses onto the Texas Trail and capture the gang!