What is a good summary for The Tell-Tale Heart story?

In Edgar Allan Poe's chilling tale, "The Tell-Tale Heart," an unnamed narrator, consumed by an obsessive hatred for an old man's "vulture eye," meticulously plans and executes the man's murder. Driven by his delusion, the narrator hides the body under the floorboards, confidently believing he has committed the perfect crime. However, his sanity unravels as he becomes convinced that he can hear the victim's beating heart beneath the floorboards. This auditory hallucination, a manifestation of his guilt and paranoia, drives him to confess his crime to the police, revealing his true nature and the devastating consequences of his madness.