Pursued by a helicopter and a team of armed response vehicles, two men armed with machetes and a sawn-off shotgun make a dramatic escape on a motorbike. Dog handler Duncan joins the firearms squad to close the area and help hunt the villains.

Ben and Matt find themselves on a high-speed pursuit which ends up on a road to nowhere, Kev and Spenner assist in a TPAC, while Carl and Wayne nearly become victims of a white-van man's dangerous driving.