His name was Tixe Ylno…

The U.N.C.L.E files could tell nothing about him except for that code name. He could be anyone — a cab driver, a corporation executive, a scientist, a storekeeper…ANYONE! And he might be anywhere in the United States.

But whoever or whatever he was, U.N.C.L.E. had to find him — because he controlled a secret that had the world at his mercy!