Quinnan and Garfield respond to an armed robbery. Turns out to be a wind-up. There was a struggle and the informant got injured. CID thinks he is very bent. Monroe thinks the informant has a case against Quinnan for assault. Quinnan thinks an earthmover is dodgy parked outside a transport cafe. A cafe owner comes in to see Inspector Monroe to try and become a snout. Reg investigates a noise complaint and finds out where the earthmover was resprayed.