In post-World War II Venice, a retired detective is reluctantly drawn back into the world of intrigue when he attends a séance at a crumbling, palatial home. The event, organized by a supposed medium, aims to connect grieving family members with their lost loved ones. While the detective begins by observing with skepticism and humor, the evening turns eerie as unexplained occurrences unsettle even the hardest skeptics. A sudden violent event causes fear and panic to take hold among the guests, transforming what should have been a somber affair into a night filled with suspicion and dread.

As the guests are trapped by stormy weather in the opulent mansion, tensions run high amidst accusations and secrets laid bare. The detective finds himself caught in a complex web of deception as he delves into the haunted history of the mansion and its residents. With limited resources and growing unease, he races against time to uncover hidden motives and untangle the mystery at hand. His logical approach faces a constant battle with the supernatural elements hinted at throughout the gathering. As each stunning revelation peels back layers of tangled relationships and dark desires, the lines between reality and the otherworldly blur, leading everyone toward an unexpected confrontation with forces beyond explanation.