Dark Heights is a scripted horror audio drama built around dread that arrives by degrees. It does not rush to explain the shape of the threat. Instead, it lets places go wrong. A car on an empty road becomes a pursuit. A medical note becomes evidence of impossible reanimation. A bridge at night turns into a test of survival instinct. A forest path begins with mushrooms and ends with a shadow that may not be a ghost. The show's strongest mode is intimate fear, narrated from close enough that panic, disgust, and memory seem to share the same breath. Its scenes often begin in the practical world: work, family, travel, illness, police procedure, search efforts, meals, doors, machines. Then something enters. Sometimes it is magic or infection. Sometimes it is grief, obsession, or an old violence surfacing through the present. The writing favors concrete images over exposition, with bodies, rooms, weather, and small sounds carrying the weight of the uncanny. Short shocks land harder because the surrounding passages are patient and observant. The effect is grave rather than showy. Dark Heights also understands that horror can be funny in brief, nervous flashes, especially when a narrator recognizes how absurd terror looks from the outside. Those flashes do not soften the danger. They make the people feel more exposed. Across the feed, death, disappearance, family fracture, supernatural pursuit, and bodily transformation recur as forces that pull characters past the edge of ordinary explanation. The show is for listeners who like horror fiction with a strong narrative voice, uneasy pacing, and consequences that stay in the room after the scene ends.