Travis is reunited with Langton to investigate an ominous re-enactment of the infamous 1940s Los Angeles murder dubbed the Black Dahlia.

Episode 1
The Red Dahlia: Part 1
January 4, 2010
The discovery of the mutilated body of a young woman seems to echo that of the notorious unsolved 'Black Dahlia' murder of 1940s Los Angeles.

Episode 2
The Red Dahlia: Part 2
January 5, 2010
Travis becomes romantically involved with the tabloid journalist covering the murder, and an anonymous phone call leads Langton to aristocratic ex-army surgeon Charles Wickenham as the chief suspect.

Episode 3
The Red Dahlia: Part 3
January 6, 2010
The case is drawing to an end as Travis and Langton close in on the copycat killer, their investigation of the main suspect uncovering long-buried secrets of sadistic cruelty and murderous intent.