Sim interviews Charlotte Parker in an attempt to find out what truly happened to her sister. The girl initially denies all involvement until she crumbles under the overwhelming weight of the evidence against her, and subsequently makes a full confession. Webb confronts the girl's father following allegations that his behaviour against his wife was the catalyst for the attack. Meanwhile, Fletcher and Hardy investigate when the initial suspect in the case, Andrew Landor, is attacked and badly beaten in his flat. A number of witnesses claim that the attacker may have been one of Landon's workmates, Dave Peters - and Fletcher becomes to determined to find out who has been covering for him.