When professor Mortimer "Gabby" Blackstone's (George "Gabby" Hayes) traveling medicine show arrives in the lawless town of Deadwood, show sharpshooter Brett Starr, aka Bill Brady (Roy Rogers), steps up to establish order in this classic Western. A group of crooked businessman is scheming to control the town, but after Gabby gets robbed, he and Brady take the law into their own hands to solve the crime.