Ripper Street episode 4 "The Good Of This City" airs Saturday Feb 9 at 9:00pm ET on BBC America.
Synopsis: The brutal clearing of a local slum for the underground railway reveals an indecipherable murder scene and an unreliable slum girl witness. Lucy Eames, beautiful and disturbed, is the unlikely key to a byzantine web of conspiracy. As Reid closes in on the killer, it becomes clear that the condemned slum is home to dark secrets that someone is desperate to protect. Written by Julie Rutterford and Richard Warlow.