Forced from his throne and threatened with murder, Edwin makes a curious bargain for his deliverance.
Deprived of his throne in about 604, King Edwin of Deira and Bernicia — later known as Northumbria — fled York and went south to Mercia, only to find his usurper, brother-in-law and mortal enemy, Æthelfrith, still pursuing him to the death. But a night-time visitor gave him a new hope, and a curious sign to remember it by.