A veteran street cop and his partner, a robot programmed to be the perfect policeman, are assigned to protect the five-year-old daughter of the widow who witnessed the killing of her police officer husband and now is stalked by the gangster who murdered him.
Still haunted by the memory of the son they lost to an accident years ago, Ted and Mary Hocken take up residence with their two young daughters on the remote, windswept reaches of a tiny East Coast island. The Hockens are determined to forget their painful past and spend a quiet, uneventful summer. But as immense flocks of birds begin massing around the island, it becomes clear that something is very wrong in this isolated, deceptively calm oasis. Before long, the sky is darkened by a hideous onslaught of the screeching, winged creatures. It's an assault unlike anything in the history of man or beast – or is it? For one old timer recalls a similar, horrific outbreak that gripped the West Coast decades ago...
A small family relocates to the Sonoran Desert, to be closer to the grandparents of the family. Though there are news reports of a spectacular triple supernova, and the young granddaughter has seen a glowing alien construction behind the barn, the family is at ease until, one night, a UFO soars over head and appears to land in the nearby hills. Apparently, the triple supernova has opened a rift in space and time.
A young soldier who was thought to be killed in the line of duty in Vietnam returns home shortly thereafter, much to the confusion of his family. Upon his return, he exhibits strange, withdrawn behavior and begins wandering the streets at night.