[2] ABC Weekly called it "a racy behind-the-scenes account of Fifth Column tactics in a broadcasting studio.

In the best traditions of espionage the villain is the man you’d least suspect, and the code he uses to put across news of troop movements so ingenious that we feel Gordon Ireland is wasted as Music Critic of the ABC Weekly.

"[3] A critic from Wireless Weekly said "I am not trying to be rude about this play because I believe that, if I could understand it, I would acknowledge its invention and design.

But I could not keep up with the lightning deductions of [the hero] Mr. Pendleton, who would obviously have made a very good spy himself had he not been a music critic or a secret agent.

How he unravels the skein of mystery and unmasks the miscreant is told in this thriller, which takes the listener behind the scenes in the broadcasting world.