Officer from roads policing, firearms and the dog section unite to stop a high-performance getaway car reportedly being used by a burglary gang. Locating their target on the M6, the undercover team strikes from the shadows with a tactic known as the 'crucifix box'. In Rothwell, Harrison and Lloyd have a baffling encounter with a man who seems to have many names, while Tony rolls his sleeves up to push a seized motor off the road.