Denny breaks up with his fiancée Jean to marries wealthy Flora. When Jean is fired from her job she decides to market the face cream she invented. After sending it to twelve rich woman, only Flora decides to invest in the business. As Denny has no job, the girls give him an office at the factory. The business takes off, but Jean finds that she is still in love with Denny and Denny seems to forget he is married to Flora.
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. The plot concerns a group of insurrectionists who intend to keep Texas separate from the rest of the USA.
The three Morgan brothers, Glenn, Jim and Buddy are all air mail pilots. The plane flown by Jim is shot down by Hugh Jeffries for the money it carries. Another flight is made by Buddy followed by Jeffries intending to shoot him down also...
