The Hardest Word (1) Waking the Dead : Season 4 Episode 9
TV-14 (self-applied) BBC One 1h 40m
Aired: August 8th, 2004 @ 12:00 AM EST on BBC One
A sadomasochistic serial killer is at large. The killings are brutal and the victims are found with the word 'Sorry' carved in their backs.
