When Scotland Yard finds themselves up against a brick wall in tracking down a vicious gang of thieves and bank robbers, they call in Layton, a loner from MI5 to work his way into the gang and help bring them down.
Cast: William Sylvester, Mai Zetterling, John Meillon, Anthony Dawson, Neil McCarthy, Joseph Fürst, Harry Baird, John Phillips, Victor Brooks, Diana King
