Johan Friedrich von Allmen, well-educated, heir to a vast fortune, never employed, has found himself in reduced circumstances. Forced to relocate to the gardenhouse of his Swiss estate with only his resourceful Guatemalan butler, Carlos, for company, Allmen is in desperate need of funds. When an opportunity to pilfer Art Nouveau glass bowls from a neighbor arises, Allmen becomes first thief then detective in this delightful crime caper.