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: 8.1
Score: 4.5
Score: 4.0
Score: 5.7
Score: 3.9
Score: 4.6
Score: 3.7
Score: 6.2
