Tough torch singer Petey Brown, visiting her family, finds a nest of troubles: her sister, brother, and the neighbor's wife are involved in various ways with shady nightclub owner Nicky Toresca. Petey has what it takes to handle Nicky, but then she meets San Thomas, formerly great jazz pianist now on the skids, and falls for him hard.

Mortimer Brewster, a newspaper drama critic, playwright, and author known for his diatribes against marriage, suddenly falls in love and gets married; but when he makes a quick trip home to tell his two maiden aunts, he finds out his aunts' hobby - killing lonely old men and burying them in the cellar!