The subject of this disturbing film is a man who hacked and battered to death his victims in what were some of the most brutal murders ever seen in Britain. Anthony Arkwright brought terror to the streets of South Yorkshire in a fifty-six hour killing spree in August, 1988.The film includes powerful testimony from several of the police officers central to the case (including the Chief Inspector who led the investigating team, and the man who interviewed Arkwright over several challenging days), as well as Arkwright's defence lawyer and a friend with him on the night he embarked on his murderous killing spree, the story emerges of a troubled man who would send shockwaves across the nation – at the age of just twenty-one.The film doesn't just tell the story of what happened. With the help of leading experts including a renowned criminal psychologist, and eminent forensic scientist, Arkwright's crimes are examined and dissected for both motives and methods. The result is a chilling account of one of Britain's most violent killers.