John Constable, a writer, falls prey to the designs of scheming widow Margaret Alloway to the dismay of his young wife Kitty. Feigning interest in John's work, the widow offers to collaborate on his new book, Women's Struggles , but when she convinces him to dine with her on Kitty's birthday, the neglected wife decides to retaliate. After attending the opera with handsome bachelor Harry Travers, Kitty accepts an invitation to share supper in his rooms, leaving a note for her husband. Aware of Ha...