Sgt. Maitland thinks there is a problem with a local pub landlord of the Overton Arms as well as drinking on duty. The prisoner makes allegiations about being threatened with a shotgun. It is possible that Sgt. Maitland is blowing a CID operation. When Roach is assualted at the pub, Maitland gets the attacker. Brownlow is getting a bee in his bonnet about wearing hats.