Architect Walter Craig is summoned to a country house to consult on renovation plans. Upon arrival, he is struck by an eerie sense of déjà vu, feeling certain he has experienced the house and its occupants before. Walter reveals his recurring nightmare involving the guests in the house, each recounting their own strange and supernatural encounters. Skeptical at first, the group eventually indulges in sharing their stories, ranging from mirror-induced horrors to ghostly apparitions and possessive dummies.

As each tale unfolds, a growing unease settles over the group, blurring the lines between reality and fantasy. Tensions rise as Walter's recurring dream seems to encapsulate all their fears, suggesting a sinister connection binding them together. The narratives interweave, heightening a sense of impending doom as Walter's nightmare looms ever closer to reality.