First published as the 2nd part of Publicity in the September 24th 1924 issue of The Sketch and then in the February 1928 issue of Hutchinson's Adventure & Mystery Story Magazine.
"Lawrence St. Vincent. His secret love, shop-girl Janet Smith has disappeared without a trace. A rather boastful Tuppence claims finding her will take but twenty-four hours, though it is by no means certain that they will meet this impossible task."
2nd story in the collection .