Conceited World Champion boxer Tommy Lundy decides to test his popularity in a Broadway show. Tommy always has an eye for the ladies and he starts paying attention to beautiful chorus girl Pat Lambert. Pat's boyfriend Bill Smith isn't impressed with Tommy even though Tommy gets him a boxing part in the show. When Tommy finds out that Pat and Bill were secretly together the night before the show opens, he angrily plans to turn the boxing scene with Bill into a real bout.
In Rio de Janiero to arrest a nightclub singer on suspicion of a murder in Hawaii, Charlie Chan becomes involved with the Rio police in solving the singer's own murder.
A young man of privilege abandons his thankless job as a company vice-president, walks out on his spoiled wife, and joins the working classes, leading to his romance with a European immigrant.
After losing nearly all of an inheritance to taxes, sisters Kay (Betty Grable) and Barbara Latimer (Carole Landis), waitresses at a drive-in restaurant in Texas, scheme to find rich husbands. With the aid of their aunt Susan (Charlotte Greenwood), the sisters take the last of their money and head to a well-known Miami resort where they soon meet two wealthy young men, Phil (Don Ameche) and Jeff (Robert Cummings), who begin a fierce rivalry for Kay, not realizing that Barbara has fallen in love with one of them.
Working stiff Tom Tupper is stopped by a 'man on the spot' reporter during his daily commute. Asked for his opinion on male/female relations, Tom tells the radio audience that he thinks men could do a better job running the household than women. When he arrives home, his infuriated wife Margaret proposes that her husband put his money where his mouth is. The couple switch roles, with Margaret going to the office and Tom cooking and cleaning. While Margaret becomes a successful entrepreneur, the man of the house comes dangerously close to having a nervous breakdown. Overwhelmed by a woman's work, Tom begs Margaret to go back to the way things were, but his now-independent wife isn't interested.
