The old mansion loomed ominously in the moonlight, its windows dark and lifeless. Detective James Holden stepped out of his car, the gravel crunching beneath his feet. He surveyed the scene before him, his eyes narrowing in concentration. The front door stood ajar, a chilling invitation to the horrors within. Holden reached for his revolver, the cold metal reassuring against his palm. With a deep breath, he crossed the threshold into the unknown darkness.