The trustees of Midwestern University have forced three teachers out of their jobs for being suspected communists. Trustee Ed Keller has also threatened mild mannered English Professor Tommy Turner, because he plans to read a controversial piece of prose in class. Tommy is upset that his wife Ellen also suggested he not read the passage. Meanwhile, Ellen's old boyfriend, the football player Joe Ferguson, comes to visit for the homecoming weekend. He takes Ellen out dancing after the football rally, causing Tommy to worry that he will lose her to Joe.
Petty con artists Slicker Smith and Herbie Brown mistakenly join the Army evading the cops. The cop chasing them winds up as their drill instructor. A rich young man and his former working class chauffeur are not only in the same unit, they're vying for a pretty girl who seems attracted to both.
Jerry tries to out compete his older brother Cass, a lieutenant Naval aviator. Cass is both tough on and protective of his brother, but Jerry can give it right back.
The Louisiana Purchase is imminent and Gilmore is smuggling guns into St. Louis so his men can make him Governor of the new Louisiana Territory. But John Colfax fights to defeat Gilmore.
