Patsy's working at Rumplemeyer's Donut Shop in Brooklyn. By accident she catches Mr. Rumplemeyer's trousers in the donut machine as he's leaving to pick his niece who's arriving from the old country, so he gives Patsy cab fare and sends her. She forgets her purse, so when she arrives at the immigration office, she can't pay the cabbie, who tells her he'll wait while the meter runs. Inside, Patsy finally finds the high-spirited Lyda, but by then, Patsy has sneaked into the holding area and may need a passport to get out. She hides in Lyda's trunk, but with the cabbie, a suspicious immigration officer, and a traffic cop buzzing around will uncle and niece ever connect?

Hoppy returns to find Johnny in trouble. Buck Peters has been shot by Porter who made it look like Johnny did it. When Johnny flees he runs into Linda. He takes a liking to her only to learn her father Shanghai is one of Porter's gang. Going after Shanghai, he gets captured by the gang and Porter now plans to kill him. But Hoppy is near by and Johnny will get unexpected help from Shanghai.

Kitty Reily and Lena Marchetti meet each other at an amateur Radio Show. Kitty quickly learns to greatly dislike incompetent Lena. They keep running into each other until Kitty resigns to being friends with Lena when they become hospital nurses and share a dorm room.

An unfortunate marriage and a bogus Count are the ingredients for this musical.