The wealthy von Wellingens are shocked when the father of their son Fred's fiancée Lia juggles desserts at a formal dinner. They encourage Fred to break the engagement. Lia goes to Berlin to marry a Baron von Schwarzdorf, and Fred arrives too late to stop the marriage.
Sally is an orphan who was named by the telephone exchange where she was abandoned as a baby. In the orphanage, she discovered the joy of dancing. Working as a waitress, she serves Blair (Alexander Gray), and they both fall for each other, but Blair is engaged to socialite Marcia. Sally is hired to impersonate a famous Russian dancer named Noskerova, but at that engagement, she is found to be a phoney. Undaunted, she proceeds with her life and has a show on Broadway, but she still thinks of Blair.
A showgirl falls for a society boy but has to win over his family.
Mr. and Mrs. Warner Bros. Pictures and their precocious offspring, Little Miss Vitaphone, host a dinner in honor of Warner Bros. Silver Jubilee, attended by most of the major players and song writers under contract to WB at that time.