The Uptown Boy, J. Harold Manners (Lloyd) is a millionaire playboy who falls for the Downtown Girl, Hope (Ralston) who works in Brother Paul's (Weigel) mission. In order to build up attendance, and win Hope's attention, Harold runs through town causing trouble, and winds up with a crowd chasing him right into the mission. He eventually wins the girl and they marry, but not without some interference from his high-brow friends.
Sister Hanna is a spirited, witty, resolute, warm-hearted, and - attractive nun. With her wit and street cred, she takes charge of Kaltenthal Cloister, transforming it into a popular refuge for all those seeking help of one kind or another. She also brings new life to the sleepy provincial community, proving herself quite a match for her great rival and opponent, the mayor Wolfgang Wöller.