When a government official disappears in the London tunnels, after several reports of missing people in the same location, Scotland Yard start to take the matter seriously, along with a couple who stumble into a victim by accident.
Donald Pleasence
Norman Rossington
David Ladd
Sharon Gurney
Hugh Armstrong
Score: 6.7
Score: 5.7
Score: 6.7
Score: 6.2
Score: 5.0
Score: 6.4
Score: 4.0
Score: 3.0
