Eternal bachelor Lupo plays the comical presenter to the musical acts in his own Italian restaurant 'Serenade Café' in New York, but operatic singer Gina is not amused, she throws him out of her dressing room- the more she insults him, the crazier the old fool gets about her. To keep him off she insists her husband must be an opera singer, so he is easily duped by Ierra, who hits on with Gina himself and ships Lupo off to his Italian cahoot, musical teacher Marcello, for lessons- actually he is so bad that even the dog runs off, and after they bribe the local opera to give him a tiny part, the sound-tortured audience chases him for his life. He passes out but is found and taken in by a winegrowers family, which gives him confidence and a killer voice...

The opera song the mediocre female singer sings who ends up dating "Lupo" (Dangerfield) to further her career (since he owns a famous restaurant), is the same tune written for Citizen Kane (1941) in which the main character, buys his "trophy" girl an opera house.

Rosa:
I've never heard of wanting to kill somebody because they sang.


Lupo:
Well you never heard me sing.

Continuity: When the bartender is talking to the server about how much Rodney is in love, his white shirt collar tucks itself under his black vest between shots.