Der blaue Engel (The Blue Angel)

Professor Immanuel Rath (Emil Jannings) is a stern but respected professor who discovers some of his students passing postcards showing a sexy cabaret singer appearing at a local club. That night, thinking to catch some of his students, Jannings goest to the club and is caught up in the wild atmosphere, then entranced by the sultry Lola Frohlich (Dietrich) as she vamps about that stage in stockings, garter belt, high heels, and corset, her bobbed blonde hair covered with a top hat worn at a jaunty angle.

The Blue Angel is a fascinating story of a conventional and upright professor who is driven to humiliation and despair by a sultry cabaret singer, all in the name of love.