Harrington's brother helps Dunning discover that Karswell cursed both men by slipping them a piece of paper with some runes on it.

They track down Karswell a day before the curse is set to kill Dunning and manage to return the runes to him.

Karswell dies the next day, killed by a stone that falls from scaffolding around St. Wulfram's Church in Abbeville.

[2] In this version, the central character is called Dr John Holden (played by Dana Andrews).

In the 1979 version, the central protagonist is a woman, Prudence Dunning (played by Jan Francis), the producer of an investigative television programme which is critical of an occultist named Karswell (played by Iain Cuthbertson), and soon finds that Karswell has a curse put upon her.