Dog handler Chris finds himself on the tail of a runaway Renault Clio, while Rob and Dan receive intel that a residential home is emitting a familiar aroma of marijuana. Meanwhile, the Knife Crime Team head out in force to the northern suburbs, where they suspect a drug-deal is about to happen. After a highly co-ordinated operation, the team smoke out the suspected main dealer and a search turns up almost 100 wraps of Class A's down his pants.