Inspector Duff pursues a murderer on an around-the-world voyage.

A beautiful young woman? That is exactly what Billy Magee wanted to know as, closing the waiting-room door behind him, he stood staring just inside. Were the features against which that frail bit of cambric was agonizingly pressed of a pleasing contour? The girl's neatly tailored corduroy suit and her flippant but charming millinery augured well. Should he step gallantly forward and inquire in sympathetic tones as to the cause of her woe? Should he carry chivalry even to the lengths of Upper Asquewan Falls? No, Mr. Magee decided he would not. The train that had just roared away into the dusk...