In 'A Stir of Echoes', Richard Matheson weaves an unsettling narrative of a man, Tom Wallace, who, after a hypnosis session with his brother-in-law, starts to experience haunting visions and auditory hallucinations that align too closely with reality. His once normal life spirals out of control as he becomes entangled with his neighbor's secrets, leading him down a dark path of uncovering a heinous crime.