The Cassilis Engagement is a play written by John Hankin, first performed in 1907. The play is a comedy of manners and explores the themes of love, marriage, and social class. The story revolves around the Cassilis family, who are wealthy and socially prominent. The family is headed by Sir William Cassilis, who is concerned about his daughter, Edith's, marriage prospects. He wants her to marry someone of equal or higher social status, but Edith has...