Inspector Dave Corcoran calls on his friend to turn what looks like a tug boat into a police vessel. Meanwhile, the team fix up a car whose tyres were slashed whilst on duty.
John and Dave get rid of unwanted skips and trailers, which are home to some unusual objects. Elsewhere, emergency repairs are required to get two police bikes back out on the road.
John, Dave and Ros get an excuse to show off their knowledge of the second-hand police car market when end of service service vehicles are put up for auction.
John Heussi embarks on a complete redesign of Cheshire Constabulary's fleet of outdated forensic vans and a crime car comes in with a faulty wailer - but the fault remains elusive.
Pressure mounts for the force to replace an aging 4x4 vehicle, and a vehicle maintenance worker opens the workshop for the last time in his 42-year career.