Lightning flashed over Grey Manor. The thunder roared fiercely outside. Inside, guests chattered nervously, unnerved. Suddenly, the lights went out. A scream shattered the silence. When lights flickered back on, Lord Harrington lay dead, still. His eyes stared, accusing, cold. Everyone in the room gasped. No one had seen anything. Whispers erupted around the dimly-lit parlour. "Who would do this?" "Check the doors and windows!" All exits were securely locked. The killer was among us.