Martin Crocker

Abel Mason is a man caught in a loveless marriage with a harridan wife who constantly berates him and beats their son Dick. When the one woman he loves dies at the hands of her husband after he was sent a letter by Mason's wife, exposing the affair, Abel leaves her for good taking to the road and young Dick with him.

One Christmas, a knight garbed all in green appears in King Arthur's Court and challenges any knight to hew off his head on the proviso that he be allowed to return the axe stroke afterwards. All of King Arthur's other knights being frightened, Sir Gawain takes up the challenge and hacks off the green knight's head. The green knight then gives Gawain a year to find his home and live a little before the cut is returned.

Set during the 1960s in the fictional North Yorkshire village of Aidensfield, this enduringly popular series interweaves crime and medical storylines.