When a small-time criminal goes berserk when served with a pint in a pub, the police become involved. But tracing the cause of his violence leads to darker waters, and a full-scale health crisis for the residents of Newtown.
A series of lorry hijackings leads Newtown to send Braithwaite undercover as a driver. Does the key to the crimes lie in a roadside drivers' cafe, and can Braithwaite stay undetected, despite the attentions of the cafe staff?
The detective's wayward brother comes back from travel, and appears to have skeletons in the cupboard, making the detective face tough choices of loyalty versus duty