It was inevitable that Richard Wentworth, crack amateur crime-fighter, should one day be called upon to substitute as Police Commissioner for his loyal friend, Kirkpatrick—who had sworn to snare the Spider!... It was inevitable, also, that the Spider's worst enemy—Munro, the Man of a Thousand Faces—should return! But that these two dramatic events should occur simultaneously... makes for one of the most urgent and exciting of all the Spider's adventures!