Arty Timmins is out of jail. Chief Supt. Robins put him away when he was an Inspector and Sgt. Blackitt was a constable. With Barlow away on a course Robins makes it his personal business to keep a close watch on one of the hardest characters ever to cross his path. For there are three citizens of Newtown who, even after ten years, have good cause to be frightened. (thetvdb.com)