The switchboard operator in an apartment building falls in love with a businessman who lives in the building, whom she has gotten to know only over the phone. When she discovers that the man's current girlfriend is actually part of a scheme to swindle him out of some mineral rights he owns, she devises a plot to save him and expose the con artists.

• Paramount Pictures
• Cary Grant
• Frances Drake
• Edward Everett Horton
• Nydia Westman
• Rafael Corio
• Rosita Moreno
• George Barbier
• Charles Ray