Would Anna become another victim of the eerie menace - or was she the menace itself?

Anna Percival drifted through the shadowy rooms of the old dark house in a sleepwalker's trance.  And wherever she went a strange death was sure to follow.

Many years before, at Land's End Manor, lived another Anna, a murderess of uncommon cunning and cruelty.  Gossipy villagers tried to make Anna Percival believe that the other Anna's evil spirit lived in her!

Yet even as death thrived at Land's End, Anna Percival found her own safety threatened again and again.  Was she out to take her own life as well as the lives of others?