Several units are on the tail of a white van being drivenaround town at four times the speed limit. After a tyrebursts, the driver continues for a while until he eventuallyditches the vehicle and tries to escape on foot, but policedog Quantum is hot on his heels. Meanwhile, following asuspected arson attempt on a car, officers get behind a nippyMercedes A-Class that they believe has fled the crime scene.
