In 1903, she and her husband wrote a play based on one of her short stories about an English aristocrat, Sir Percy Blakeney, Bart., who rescued French aristocrats from the French Revolution: The Scarlet Pimpernel. She submitted her novelisation of the story under the same title to 12 publishers. While waiting for the decisions of these publishers, Fred Terry and Julia Neilson accepted the play for production in London's West End.