At a restaurant visit happens to the distracted professor and flea animal expert Loris get his overcoat replaced by Lieutenant Juncker. Lt. discovers the mistake at a night grog with two joke hungry friends. In the professor's coat he finds the professor's notes for the next day, and Lieutenant Juncker bet with his cronies that he should be able to carry out the professor's daily program without being exposed.
as Löjtnant Juncker
as Professor Clasik
as Ina Floor - Professorns systerdotter
as Professor Loris
as Professorns faster
as Gymnastiserande herre
as Junkers kumpan
as Hushållerskan
as Junkers kumpan
as Blomsterhandlerskan
