From 2009-10, the self-proclaimed Crossbow Cannibal terrorizes the community of Bradford in Northern England. His ex-girlfriend reveals the mental and physical abuse she endured for years at the hands of one of the U.K.'s most heinous serial killers.

A serial killer stalks and viciously attacks young women in the suburbs of London while evading British police. When the killer's ex-girlfriend reports him for abuse, little does she know just how pivotal her testimony will be in bringing justice.