Tiffanie Barton was brought up to be a lady of quality. The only problem is she spends much too much time with her father the city's police chief. She learns the finer points of sparing and helps him investigate crimes. For the last few months, they have been after a notorious gang of art thieves all believed to be gentlemen and move in the highest circles of society. Things look hopeless until Tiffanie's aunt invites the leader of the gang to afternoon tea.