The Whisperers (1967)

76 year old Margaret Ross lives in a run-down flat, is all alone in the world. Despite being a bright, she's not totally right in mind. She has delusions, the most common is her neighbours are listening to her through the building's pipes. Following a being hospitalised, Margaret isn't capable of managing herself, lMr. Conrad, who has taken a liking to her, takes it upon himself to ensure she's taken care of. As such, the authorities go looking for her husband, Archie, but as she's been alone - with the whispers - will it bring her happiness?