Famous author Bretonneau gets his ghost writer Moluchet to impersonate the notorious criminal Jim la Houlette and pretend to steal a manuscript to boost the sales of their novels.
To receive his fiancée and his father at his home, an Oxford student counts on the presence of his aunt from Brazil to serve as his chaperone. The latter having delayed his trip, the young man passes his servant off as his aunt. This results in multiple misunderstandings. Finally, everything works...
