May Wine is a musical with a book by , lyrics by Oscar Hammerstein II, and music by Sigmund Romberg. The show was adapted from the novel The Happy Alienist by Eric von Stroheim and Wallace Smith. The story concerns the rich and absent-minded psychology professor, Johann Volk, who falls in love with Marie (Baroness von Schlewitz). The malevolent Baron Kuno Adelhorst, who also loves Marie, tries to get the professor's money by having Marie marry him, but after they are married she comes to love the professor and does not want to blackmail him. However, the Professor thinks he has been deceived and tries to shoot Marie. He does not hurt her, and all ends well. The subplot involves an artist's model, Friedl, who wants a man's attention and gets it from the Baron.