Syncopation is a 1929 American pre-Code musical film directed by Bert Glennon and starring Barbara Bennett, Bobby Watson, and Ian Hunter (although top billing went to Fred Waring and his Pennsylvanians).
Benny and Flo are a husband and wife dance team, traveling around the country as part of a revue. The revue gets picked up and taken to New York City, to be on Broadway. However, it quickly folds, and the two are forced to look for other employment. They eventually find work in a nightclub, becoming famous.