Bill Slater, known as Montague, the best agent in U. S. counterespionage, here becomes Bruce Carmichael, when he isn't Slater, to hunt down those responsible for the disappearance of Webber in the Consulate in Zurich who suspects Wyman of betraying information. Slater is tricked by the first move; headquarters in Kitzbuhel; attacks the enemy spy net organizationally; evades an assassin; skis to safety. Brisk.