The Lineup take you now behind the scenes of a police headquarters in a great American city where under the cold, glaring lights will pass before you the innocent, the vagrant, the thief, the murderer.

Mr Hunter, politician is unable to pick out from a line-up the suspicious person that was hanging around his house with the intention of killing him after a timer bomb blew up part of his house. Later a call comes in that another house has been blown up and that it is a friend of Mr Hunter’s.