Special constables at Hounslow. London.
World War One; home front. Special Constables parading at Hounslow.(Men too old or for some other reason unable to go to war.) CU profile one of Specials; leader; talking. Side shot of Constables standing in rows; and the leader facing them looking at a notebook. Pan back along rows. Long row of Specials marching toward camera. More; various shots; of the Specials drilling; with a couple young boys along for mascots or something.