Shroud of Darkness

They were five strangers on a fogbound train—a psychiatrist’s pretty secretary,an agitated young man,a tweedy lady with a deep voice,a stockbrokerish businessman,and an eel-like “spiv.”One was brutally attacked in the chokingblack fog at Paddington Station.Attempted murder became bona fide manslaughter,and examination of the intimate livesof the passengers involved Chief Inspector Macdonaldin a macabre game of hide-and-seekin which one man had tried to find his identity,and another was ready to kill to preservethe shroud of darkness that obscured his.