Mystery of the Semi-Detached

"e;I saw it as plainly as I see you now... the room, the bed, and the thing that lay upon it."e;While walking to meet his fiancee at her new home, a young man has a sudden, inexplicable "e;waking dream."e; He finds himself inside a house that is the mirror image of his beloved's but instead of a warm welcome, he discovers a scene of gruesome violence and a silent, murdered woman. When he finally a...