Future humanity has found the secret of faster-than-light travel, but it comes with great dangers. To minimize these dangers, man can pilot ships through the up-and-out with cats as their partners. Underhill shares his mind with his cat-partner, the Lady May, and must travel to the terrible open places between the stars. Only by working together can they defend themselves and the ship's passengers against the dragons in the emptiness of space.
A short story, surrounding questions of rivalry and honesty, to whit: when presented with the full-proof method of securing a key victory dishonestly, what should one do. The moral answer is, of course, clear but the reality of the beguiling nature of temptation is something else entirely.
These things are quite improbable, to be sure; but are they impossible? Our big world rolls over as smoothly as it did centuries ago, without a squeak to show it needs oiling after all these years of revolution. But times change because men change, and because civilization, like John Brown's soul, goes ever marching on. The impossibilities of yesterday become the accepted facts of today.