Den mystiske selskabsdame.

The notorious criminal Barra is approached by Agent Frank for a profitable collaboration. The brand new designs of a revolutionary internal combustion engine is the target. Engineer von Rosen at the Osman Corporation is the trusted envoy for the transfer of the drawings/designs. Frank is determined to intercept and obtain the valuable goods for his client. A competitor in the mechanical industry. Barra is keen to get started. And he intend to use his wife as a magnet, to get the attention of Osman director von Spangen.