A reporter investigates the murder of a showgirl, who was the widow of a millionaire. While digging in to the mysterious murder of a showgirl (Vivian Wilcox), intrepid reporter Bob Martin (Robert Lowery) uncovers a connection between that case and another one he's been working on.
Carmelita and Uncle Matt find themselves in a haunted house, but the "ghosts" are actually enemy agents who are trying to frighten away visitors in order to develop a nitroglycerin bomb.
A girl reporter is trying to tack down the lady-in-the-title, as a key witness in a graft trial, which involves three murder and that many failed attempts.
Hoping to increase its box-office allure by adopting the title of a popular song, Deep in the Heart of Texas (clap!clap!clap!clap!) was the first Johnny Mack Brown western of the 1942-43 season.
In this western, a ranch foreman and the bosses son go to a saloon to slake their thirst and find themselves in the midst of a battle started by the feisty saloon owner's wicked ex-husband who loots the safe in the ensuing scuffle.