The fog rolled thick across the old Victorian mansion's grounds. Detective Sarah Chen stepped from her car into darkness. A butler waited by the door, his face unreadable. "Thank you for coming so quickly," he said nervously today. Inside, the body lay sprawled across the marble entrance hall. Blood pooled beneath the victim's head, still wet, still fresh. Lord Ashworth's eyes stared upward, frozen in permanent shocked surprise. The murder weapon, a candlestick, lay beside him now. Six guests remained trapped inside by the storm outside tonight. One of them was a killer hiding among them.