Case Histories season 1 episode 4 airs June 13, 2011 with an episode title of "One Good Turn Part Two" which continues with the previous case handled by Jackson and now he got company in solving this case after case. Here's the plot summary of the episode: DI Marcus Stewart and Louise Munroe joins Jackson at Martin's house where Jackson has discovered a body battered to death where he believed that the the road-rage attacker, Terrence Smith, has murdered Martin. But this was not the case when when Martin shows up and the dead man was named Richard Moat. Deborah manages to track down the road-rage car to Graham Hatter, Gloria's husband. Gloria is discovered burning clothes in the garden and Jackson soon discovered several pictures of different road rage victim inside the house. Then they find out later, Jackson and Martin that Hatter's cleaning company is a front for prostitutions. In the end, Gloria is seen as being scared by Smith after he turns up at her house looking for her husband. For more details about the Case Histories episode 4, you can check out the full replay on this page via the buttons below.