The body lay motionless on the polished floor of the mansion. Detective Sarah Collins surveyed the scene with a practiced eye. Blood pooled around the victim, staining the expensive Persian rug. A shattered champagne flute glittered in the dim evening light. The air was thick with the scent of perfume and fear. Guests huddled in corners, whispering and casting furtive glances. Sarah knelt beside the corpse, examining the fatal knife wound. She noticed something clutched tightly in the victim's left hand. Carefully, she pried open the fingers to reveal a note. Written in shaky handwriting were three words: "The owl knows."