Sergeant Mick and the Operational Support Unit carry out a raid on a house with suspected drug activity, and uncover a cannabis farm in the loft. There is motorcycle madness on the streets of Wakefield, as Gav apprehends a biker risking his and other road users' lives by his reckless riding.

A runaway driver flees an accident in a decommissioned ambulance, on the wrong side of the road, then crashes through a level crossing and ditches his ride on a live railway line. While a chopper tracks the suspect, cops frantically battle to close the railway line before a train ploughs through.