Plot: Greig leads the relief as they tackle a group of rioters on the Meadowlark estate, but the violence spirals out of control when a TSG sergeant has a slab of concrete dropped on him. As Greig builds up a picture of the thugs who Meadows believes are responsible for the crime, Garfield is worried when Loxton comments that his violent restraint of a thug during the riots led to the man ending up in hospital, leading him to ask Greig for help