After their annual free concert at Chicago's Dearborn Settlement, Benny Goodman and his band are packing up to go to their next engagement when a kid steals Goodman's clarinet. Goodman and Popsie pursue him to a tenement flat where he has led them to hear his brother play the trombone. Shenanigans ensue following Goodman's offering the brother a job with the band.

A former college football hero and his college sweetheart get married. Marital turmoil ensues as her criminal law practice soars while he cannot get his career as an architect off the ground. They separate, and the man begins making extra money by singing in a nightclub. When he is unjustly accused of murder, it is up to his estranged wife to defend him in court.