Officers pursue a vehicle suspected of being involved in several car thefts and a search of the vehicle reveals cannabis and a nasty-looking sock containing a snooker ball. In Rushden, the Operation Revive team raids a house that has been converted into a cannabis factory, while Lucy and tracker dog Bryn chase a couple of runaways from a van that failed to stop and Bomber tackles a suspected drink-driver, who gives him the silent treatment and refuses to take the roadside breath test