Liam and Ben attempt to catch a gang of late-night burglars, but one of the suspects treats an officer to a face full of saliva, while Jacko and Simon are in pursuit of a car round the streets of Ferryhill, but it's not the interceptors who make the arrest. Meanwhile, Spike tails two suspected burglars in an unmarked car before making a back-street stop and Liam's sniffer dog Louie uncovers large amounts of cash and drugs following an armed raid