The Never-Ending Scream
In the beginning, those nearby would only occasionally hear the noise. On the other hand, as time went on, it became increasingly dull. The homeowners were utterly aware that they needed to take some kind of action.
You simply cannot call a place “home” if you know that unusual occurrences occur there consistently. The owners were under the impression that there was a threat hiding behind the walls, ready to wreak significant damage to their homes. In the end, they devised an original approach to solve the problem.