The mansion loomed in darkness. Silence enveloped the grand estate. Detective Sarah approached the entrance. She knocked on massive oak. No answer came from within. Cautiously, she turned the handle. The door creaked open ominously. A faint metallic smell lingered. Sarah stepped into the foyer. Her flashlight beam cut shadows. Something glinted on the floor. She knelt to examine it. A gold cufflink lay there. Blood stained its polished surface. Suddenly, a floorboard creaked upstairs.