Murphy finally uncovers the truth about Kent, but before she can raise the alarm, he attacks her and leaves her tied up. Meanwhile, Powell and Hunter investigate the theft of a car and the disappearance of a family puppy. They arrest a local youth who has form for committing similar offences with the same motive. Meanwhile, Kent and Ackland attend the scene of an RTC, and Kent convinces the victim to make a false claim of whiplash in an attempt to provide a reason for him to attend St. Hugh's, where he tries, but fails, to murder his own brother by turning off his life support. Later called to the scene of a disturbance in a tower block, Kent goes berserk and takes Ackland hostage on the roof. (thetvdb.com)