A girl called Erin has been murdered in her Nottingham flat. Coleen,her sister,and Stefan,a young soldier arrested by the police after being seen covered in blood,give their accounts to camera of how the sisters met the visiting youth that afternoon and went back to the flat for drinks,an evening that got out of hand. As Coleen and Stefan are jointly charged with the murder other talking heads narrate the progress of the trial and the verdict,including the world-weary inspector in charge of the case, Coleen's sharp barrister and her discarded boyfriend H. After the jury has delivered their verdict the viewer is shown what really happened on the fateful night.