Elaine Bradford is a young singer and dancer, looking for her big break. Peter Carlton is a gossip columnist facing a deadline and a blank page. So, Peter invents "Mrs. Smythe-Smythe", a mysterious Englishwoman who spends her days hunting tigers in India, jumping out of airplanes, and generally driving men mad with her beauty. Since no one in London has ever seen Mrs. Smythe-Smythe, Elaine decides to impersonate the lady, in hopes that the publicity will land her the big break she's been looking for.

A rich but miserly old man taunts his relatives about who will get his money when he dies, and is soon mysteriously murdered. It turns out that he has left his estate to a beautiful young actress whom the other relatives didn't know was related to him. Several attempts on her life are thwarted by a detective, who sets out to discover who's behind the scheme to kill her.

A businessman's daughter runs away from an arranged marriage, only to find herself penniless and suspected of theft after she becomes the victim of a bag thief in the train. When she refuses to tell him who she really is, her accuser decides to take her home where he can keep an eye on her until 12 o'clock the next day, the time at which she has calculated that it will be safe to tell the truth! But when his fiancée arrives unexpectedly and then his 'guest' is mistaken for her, it all gets rather embarrassing...

Harriet Green, a beloved and radiant music hall star of the Edwardian era, mysteriously disappears on the eve of her wedding. Years later, she reappears on the stage as young looking and beautiful as ever.

Schani, Johan Strauss Jr., is forced by his father to forget music and to work in a bakery. Here he falls in love with Resi. The girl gets very jealous when a rich and beautiful contessa asks Schani to write a waltz for her. Schani writes and plays it, but he is always loyal to his girlfriend.