**Three distinct narratives** explore unsettling phenomena. The first recounts a man's experience with a disappearing tower and strange symbols, leading to a temporal distortion and memory loss. The second details a woman's terrifying encounters with a shadowy figure through her doorbell camera, culminating in the violent deaths of police officers. The third reveals a family's generations-long struggle with a mysterious plague, ultimately uncovering an ancient, planetary-scale immune system activated through unique biological patterns that connect people worldwide to combat an alien invasion.