The narrator describes how he became obsessed with an old man's eye and planned to kill him over the course of a week by slowly lifting a cloth to shine a light on his eye each night at midnight. On the eighth night, the old man awoke and cried out, filling the narrator with anger and fear. He rushed in and smothered the old man, confirming he was dead by listening to his stopped heart. However, after hiding the dismembered body, three police officers arrive and the narrator struggles to contain his madness as he hears the old man's heart still beating beneath the floorboards.