Mr Williams, the curator of an university museum, purchases a modest engraving of a country house. But a black tint in the corner of the picture seems to resemble a figure and it moves, slowly revealing past horrors.
A witch condemned to death places a curse upon the Ash tree at the hall of her accuser that stretches down through the centuries and through the generations to invade the life of the ancestor who has inherited the estate.
A group of Scouts on an excursion are strictly told not to go near an old well that has been marked with a red circle on their maps. However, one disobedient boy pays no heed to the warnings and thus pays a terrible price.